Markool Heating Cooling Plumbing

Located in Frederick, Maryland

Address: 5304C Kings Ct, Frederick, MD 21703, United States

Phone: +1 301-732-4244

Rating: 4.9

Services

Small Business
Online estimates
On-site services
Language assistance
Wheelchair-accessible seating
Wheelchair-accessible toilet
Repair services
Transgender safe space
Appointment required

Photos

Latest Fire Recovery & Restoration Services

Comments

Review 1 (2024-12-11 - Rating: 5)
I had an excellent experience with Markool Heating and Cooling LLC! The owner Chris was knowledgeable, honest, and helped me choose the perfect new heating system. I really appreciated how clear and straightforward they were about what I needed. They also offer great financing options, which made everything easier.The technicians – Jorge, Seth, and Hunter – were on time, friendly, and professional. I loved the tracking app that sent a photo of them and allowed you to track their location while they were in route. The installation was quick, clean, and efficient.I’m thrilled with my new system and would highly recommend Markool Heating and Cooling to anyone. 5 stars!

Review 2 (2024-05-10 - Rating: 5)
From the first meeting with the salesman to the final checklist and orientation with the installers required less than one week. Their professionalism, knowledge, friendliness and can do attitude made the entire experience of purchasing and installing a heat pump system stress free and seamless. Installing the WiFi connected system: new outdoor condenser, new air handler and heating kit, new thermostat, new electrical wiring etc. was accomplished in one day. We were offered four choices of equipment and chose one that suited our needs and budget. We are very happy with the result. We highly recommend Markool!

Review 3 (2024-11-20 - Rating: 5)
I used Markool for a new HVAC system for my home and a couple of other small projects and am very happy that I did. They were good to deal with on the initial purchase and provided outstanding support on a couple of follow up issues. I would recommend Markool to anyone considering using them (not the case with a couple of other companies I worked with since we moved down to MD last year).

Review 4 (2024-07-18 - Rating: 5)
We had an AC emergency on one of the hottest days of the year. Markool had a tech out there within 2 hours. Hunter found the issue and fixed it fast. He even installed a new drain with an auto cutoff so it won’t leak in the ceiling anymore. It was a 100% great job.

Review 5 (2024-11-29 - Rating: 5)
We had a water pressure issue and called Markool Heating and Plumbing… an amazing experience from start to finish. Extremely professional and had the problem diagnosed and fixed with no problem. The technician, Ryan was very knowledgeable and efficient. Awesome company and amazing employees.

Review 6 (2024-12-09 - Rating: 5)
Anytime we have had issues with our heating or cooling, Markool is our go to. They are knowledgeable and fast. Each time has been an efficient fix and the technicians have always been friendly and courteous. One call and they can solve it all!

Review 7 (2024-09-09 - Rating: 5)
Ryan was very professional, knowledgeable, and provided good maintenance tips prior to leaving. He also explained every step of the repair process which was very nice.The team at Markool worked diligently to make sure the repairs were done on time and in an excellent manner even during a small hiccup. Great team and I recommend them to everyone I know!

Review 8 (2024-11-22 - Rating: 5)
On a Wednesday evening our gas water heater broke down. A leak at the top sent a stream of water down the side. The whole heater had to be replaced.Thursday morning, I called Markool Heating & Cooling and the next day, two technicians showed up and installed a replacement heater. Markool staff was courteous, efficient, and professional and as a result by Friday afternoon we had hot water again. The weekend was saved!And on top of all that, they beat the price the competition quoted us. 5 stars well deserved!

Review 9 (2024-12-20 - Rating: 5)
Zach was great. He was very thorough and explained all of options available to me. All of the techs and Katie in the office is a pleasure to talk to when scheduling appointments. Everyone does their best to accomdate any situation.

Review 10 (2024-08-19 - Rating: 5)
Basement got flooded out thought my air condition was shot came in. He was there for about 30 minutes. Got the unit working again and didn’t even charge me the service fee Very honest reputable company I picked them to Put a unit in my office building have not used it yet, but I’m sure they’ve done a great job. Very glad that I chose this company.

Review 11 (2024-11-22 - Rating: 5)
Jorge does a great job representing Markool customer service. Patiently explains everything he does and tests everything to make sure it is working before he leaves the job. If future work is recommended, he sends a cost estimate out for our review. Hope he is assigned to us for any job in the future.

Review 12 (2024-09-08 - Rating: 5)
I’m very happy that I called Markool for my plumbing needs. The project I’m working on is a temporary fix, somewhat unusual. My technician was Richard Conner. Richard was very helpful in detailing all the necessary steps for the job. He was patient answering all my questions, he understood the reasons and the need for doing the project and provided options available at Markool to include arranging finance for my project. After considering the cost timing and all factors involved, I’ve decided I’m not moving forward with the project; however, now I know if I ever have any plumbing HVAC or electric needs in my house, there is a company that I can trust and I will definitely use Markool for my project.

Review 13 (2024-12-10 - Rating: 5)
Hunter did a great job performing a maintenance update on our furnace. He included pictures showing what the inside looked like and that everything is safe and running great! Thanks Hunter! I recommend Markool Heating and Plumbing

Review 14 (2024-10-29 - Rating: 5)
I called Markool today because my Boiler stopped working. My interaction with everyone I talked with was great. The service provided by Chris and Jorge was exceptional. My issues were resolved and I have heat and hot water again. This was the first time I used Markool and I will call them in the future for my Heating concerns. If anyone is looking for a great Heating, Cooling Plumbing company, please contact Markool.

Review 15 (2024-10-30 - Rating: 5)
Customer service on the telephone was very considerate. Technician was timely and patient, answered all of my questions clearly with assurance. Overall, Markool kept in contact, and all together these made an excellent first impression that gives me confidence in future service calls.

Review 16 (2024-10-31 - Rating: 5)
Our plumber Ryan was extremely efficient, helpful, and patient. Markool was easy to book and responsive quickly. I am very satisfied with our experience and will be using Markool for any future projects that may come up!

Review 17 (2024-08-06 - Rating: 5)
I booked this company over the weekend and they were there early Monday morning! I was so happy to get some help so promptly! The technician , Hunter was very helpful answered all of my questions. He Explained to me what he was going to do before he did it and how much it would cost.! I really appreciated that he took pictures as he worked, protecting him and me! I will absolutely call them again and will recommend them to anyone that needs hvac! Thank you so much, Hunter! Oh and Katie, (office) was very pleasant also! Love this company!

Review 18 (2024-07-17 - Rating: 5)
First time using Markool and wont be the last. What a great comfortable feeling having your tech, Hunter in our house. He was very professional, caring and well knowledgeable. He explained to me a part that could go bad at anytime and showed me. He did not push me to get replaced right away but I did. Im in construction field as well and you know when to replace. He replaced part and recharge A/C system and good to go. Thanks to all starting from the call I made to schedule till when Hunter left. Absolutely recommend calling MarkoolThanks again,Tim Price

Review 19 (2025-01-02 - Rating: 5)
Very pleasant all the way through: professional and kind while scheduling, clear communication on arrival and expectations, well documented diagnostic/service with photos and notes. Will work with them again any day!

Review 20 (2024-08-22 - Rating: 5)
Dave was very professional. He walked me through what was needed for my project and answered any questions I had. I didnt feel rushed or obligated during the entire initial consultation. He even gave me a referral for work that was outside their scope. Great company. You wont be disappointed.

Review 21 (2024-08-27 - Rating: 5)
Woke up this morning to my hvac leaking and contacted Markool. I have never used them before and was in a pinch. They fit me right in this morning and were out at my house within 2 hours. The tech stepped in the door and placed covers for his shoes so he didn’t track in any dirt which was impressive! The tech was very professional and super friendly. Problem was diagnosed and FIXED within an hour. The price was extremely reasonable to the point I was shocked in a good way (expecting a higher price). Anyways, I will most certainly be a returning customer. Thank you Markool Heating Cooling Plumbing.

Review 22 (2024-12-20 - Rating: 5)
Professional, prompt, and a good value for services rendered. I signed up for their yearly membership and received a solid discount on todays services. I look forward to working with them in the future.

Review 23 (2024-12-30 - Rating: 5)
Super helpful and professional service. Kept me informed on what the issue was and what steps would be needed to properly repair. Explained what next options would be and expected costs.

Review 24 (2024-08-06 - Rating: 5)
Markool was great, I called in the morning and they were out in the afternoon. RC was the technician that came out, he was extremely professional and provided multiple options for me to choose from and completed the work I needed done.

Review 25 (2024-11-06 - Rating: 5)
Ryan was great! Efficient neat and respectful. This is the 2nd time weve called Markool and Ryan has helped us. Will definitely use again.

Review 26 (2024-10-29 - Rating: 5)
Markool heating did a complete heat pump and gas furnace replacement. They were fast and efficient. We have had the new unit over a year and zero complaints. Everything has worked as promised.

Review 27 (2024-06-22 - Rating: 5)
Air conditioning system needed replaced Chris and his team came out on the hottest day of the year and made sure we had coolair conditioning installed on a Saturday. Highly Recommend for all of your HVAC needs

Review 28 (2024-10-18 - Rating: 5)
The tech showed up on time and was very thorough in going through the system. He caught issues that I was not aware of and fixed them quickly. Before he got there I could review the map app to see how far away he was! Very helpful.

Review 29 (2024-11-04 - Rating: 5)
I appreciate the professionalism of Markool everytime I contacted them. I just their service regularly for the annual inspection of a condo in Germantown. They are prompt, responsive and their technicians are professional and decent. I will continue to use their service and will recommend them in my circles. Thank you to all of you. Amr Abdalla

Review 30 (2024-08-02 - Rating: 5)
Dave was extrememly thorough with his quote of a new system for us. He was on time for his appointment, friendly, knowledgeable, and took his time to explain the pros and cons of all the options he presented. I really appreciated we were given multiple options (and price ranges) on a new system. Did I mention he was on time? It seems to be an issue with many hvac people in our area to respect our time to show up when scheduled. thanks.

Review 31 (2024-09-03 - Rating: 4)
Markool is such a great company to work with. Richard Conner came by today about my water heater and he fixed the issue right away. I’ll definitely contact Markool

Review 32 (2024-05-13 - Rating: 5)
Markool was great about providing updates about when their plumbing tech would arrive so that I didnt have to wait around wondering when theyd arrive.On-site, the tech (R.C.) provided an estimate before starting work and was informative throughout the process. They provided information about possible problems and were completely transparent about their plan and possible alternatives.Markool was transparent about all possible costs before they started work and as the scope of the work changed they were cognizant and respectful of our budget limitations.They were able to fix our issue under budget and within their estimate in a very reasonable amount of time.

Review 33 (2024-08-29 - Rating: 5)
The techs are courteous, diligent and thorough. Im on the maintenance plan for my two systems. I really appreciate that the techs take time to look at everything, make notes and take pictures for reference. They dont rush through the job and will readily explain things if asked

Review 34 (2024-08-07 - Rating: 5)
Markool employee Jorge Montano was so wonderful. I was struggling with my HVAC . There was a lot of water on the floor . He came immediately when I called and took care of that. Im so happy. Thanks Markool. I highly recommend Markool .

Review 35 (2024-07-31 - Rating: 5)
Hunter did a fantastic job of fixing our upstairs hvac that has a clog in the line and caused a leak. I would highly recommend Hunter and Markool! Hunter was extremely knowledgeable and professional and took the time to explain everything in detail! While I don’t hope to need HVAC services any time soon, Hunter and Markool will be my first call!

Review 36 (2024-11-27 - Rating: 5)
On Time!!! Very respectful, very knowledgeable, very reasonable. My go to people when I have any HVAC problems. Thank you for the great service.

Review 37 (2024-08-14 - Rating: 5)
HVAC tech, Hunter, was outstanding. He was polite, wore shoe booties when in the house, troubleshooted our a/c, showed me the wires inside our heat pump that were damaged, fixed them in a timely fashion and took measures to prevent the problem from recurring, and didnt mind my crazy dogs who were very excited to seehim.

Review 38 (2024-07-13 - Rating: 5)
Ryan was a great technician and explained to me different options on getting our hot water heater replaced. Markool has always had top notch service whenever we used them.

Review 39 (2024-04-12 - Rating: 5)
Exceptionally fast and professional service! Communication and customer service was top notch. From the initial phone call and scheduling the appointment (less then 24 hours!), the text message I received letting me know Jorge was on his way and his arrival time as well as a picture of him, and then the clear communication about my system issues while here and as he worked. Even supplied detailed photographs of before and afters of the work completed, not to mention ice cold AC again! Book with confidence, great company!

Review 40 (2024-06-11 - Rating: 5)
I called on a Friday after being recommended here. My central air conditioning unit in my home had been running constantly and often would be higher than what it was set at. I was booked for that Monday!The day of my appointment, I was called several hours before my appointment to say they had an earlier than expected time slot and wanted to know if they could come now. Unfortunately I couldn’t do earlier than scheduled but appreciated them asking!My time slot was 4-6 pm. They showed up at 4:05! Wow! I can’t tell you how many times companies give time slots and show up hours AFTER the time frame. But not Markool! They are on it!Jorge and JR were my technicians. They were both very friendly and went right to diagnosing the issue. After about 30 minutes, they figured out I needed Freon. I asked the pricing and they had a tablet to look up the pricing right away. If you need Freon be warned it’s expensive! Not this company’s fault though it seems to be commonly expensive when I looked online out of curiosity.These two technicians were knowledgeable and explained everything. They were super polite as well.They emailed me my invoice with pictures of everything they did today.I highly recommend Markool for your cooling needs!

Review 41 (2024-09-09 - Rating: 5)
Hunter and his partner Jacob gave our two systems a thorough inspection, spending several hours here. Thank you for explaining your observations and providing the estimate! John

Review 42 (2024-12-13 - Rating: 5)
My regular HVAC contractor couldn’t see me till next week. Markool was here today and did a fine job! Thanks.

Review 43 (2024-10-10 - Rating: 5)
Great service. Jorge was very knowledgeable and clearly knew what he was doing. He resolved all the issues on my hearing and air conditioning system.

Review 44 (2024-07-31 - Rating: 5)
Ryan was very good at explaining what he was going to do to fix our toilet and told us the price up front. He did a great job!

Review 45 (2024-09-27 - Rating: 5)
Called for a new hot water estimate. The technician,Richard who is also a plumber arrived on time. He was observant about a few issues in the house and made appropriate suggestions. Pricing was very fair, and the maintenance contract I bought was less expensive than the one I had.Would definitely recommend.

Review 46 (2024-12-16 - Rating: 5)
Chris and his Team are excellent! Super knowledgeable and they will stay till the job is done right! Call them today!

Review 47 (2024-11-18 - Rating: 5)
Excellent, professional service! This company shows up as scheduled and the crew is very knowledgeable and thorough in completing the job. Very impressive in todays world. Oh, and may I add very polite and respectful also? As a single woman ylthat is very difficult to find. I love Markool Heating & Cooling!

Review 48 (2024-10-16 - Rating: 5)
Markool performed maintenance checkup on my HVAC. They found two items that were not properly done by the company that installed the unit. They came out in two days to fix the problems.

Review 49 (2024-11-11 - Rating: 5)
As usual Markool technician did an excellent job. He was thorough with cleaning our vents.

Review 50 (2024-07-09 - Rating: 5)
Long time customer of Markool Heating Cooling. I am living out of state now and had a major issue with my AC. After a call with Chris (owner) he ran me through how to fix it. Anyone around the Frederick area should have Markool on speed dial for there Heating Cooling and plumbing needs..

Review 51 (2024-11-06 - Rating: 5)
We had a great Experience. Highly recommend to other companies!!! Very pleasant and easy to explain details..

Review 52 (2024-02-07 - Rating: 5)
After completing another plumbing service last week I found a slight drip under the kitchen sink and notified Ryan at Markool via a text message, I assured him it was not urgent. He responded the same day and made time to come by the following day to perform a check on the area. He quickly and professionally identified the issue and in less than 30 minutes made repairs and performed several checks to ensure the issue would not return. I have now completed four projects with Markool. Three plumbing services (New hot water heater, new water softener system, double sin7k disposal and trap replacement) and a new Carrier furnace. I am notified prior to the arrival and they are always quick to reply to any question I have. They show up on time and able to complete all work with little or no disruption to our busy home. Very satisfied with everything they do.

Review 53 (2024-01-27 - Rating: 5)
I was very happy with the work done by Markool. They diagnosed a difficult water leak issue in my basement, replaced an old water heater with a tankless water heater, and installed an expansion tank, pressure reduction valve, local shut-off valves, and a faucet, among other things, all of which will greatly improve our entire home’s water system. I also joined their service plan, which saved me money on the installs. They came quickly and worked efficiently, and their prices seem very reasonable. All in all, I’m very pleased and would recommend Markool highly.

Review 54 (2024-03-27 - Rating: 5)
We reached out to Markool Monday morning, via Social media and I had a technician at our place Monday afternoon diagnosing our hot water problem. Their Tech. RC, showed up on the time planned and diagnosed our water situation and went over alot with us about our water heater and how it works. RC found the culprit, Ordered parts, Parts were available next day and RC returned to install and worked with us throughout the whole process. Communication, quality of work and pricing A+++++.GREAT EXPERIENCE OVERALL!

Review 55 (2024-10-25 - Rating: 5)
I was very pleased with my whole experience with installation of a minisplit system into a room that houses my five parrots that previously was heated and cooled by a space heater and window AC unit. They were very courteous and prompt on all their interactions and visits to my home. Their technician Dave did an excellent job on the installation, answered my numerous questions and left the site tidy. I recommend this company for your HVAC needs.

Review 56 (2023-12-15 - Rating: 5)
Ryan showed up on time and sent me a text to confirm I was ready. He was polite and did more than I expected! Consistently kept me informed and stayed until he could confirm that the new hot water heater, water softener, UV light filter we’re all fully functional. He also took his time to explain the functionality of each piece of equipment and how he and Markool are committed to keeping my new system at top performance!

Review 57 (2024-04-30 - Rating: 5)
We were in a dire situation with a nasty clog and standing water in our kitchen sink. One quick call to Ryan at Markool in the afternoon and he was at our door the following morning. He was professional, knowledgeable and got to work quickly. Even though the job ended up being more difficult than anyone anticipated, Ryans perseverance saved us from having to do any additional work. We couldnt have been happier with our experience.

Review 58 (2024-04-04 - Rating: 5)
I cannot say enough good things about Markool, their team is always available, reliable and professional. I have so much piece of mind knowing that the awesome technicians like Hunter, come out for maintenance regularly and are always available should I need them. Their customer service support is next level, absolutely the best! I would recommend them to anyone that needs anything HVAC related. I purchased an entire new system with them and a tankless water heater. The installation was smooth and all the guys were diligent and professional. I was so surprised how it all was done in mostly one day, these guys are amazing. Thanks to everyone at Markool!!!

Review 59 (2024-04-10 - Rating: 5)
Just cant say enough about this service!. Called on Monday, appt on Tuesday and part replaced and thoroughly cleaned the heat pump on Wednesday. CM could not have been more accommodating for us. We have met 2 of the nicest young men with this experience and we will continue to use them as long as we live! We are the grands (mother/father) like the WFMD ad talks about that were sent to us and the ad is true. They treated us with the utmost care and will continue to do so with the service contract. Very reasonable rates!

Review 60 (2024-11-07 - Rating: 5)
Great service, both tech were very polite, & courteous. They did a great job. Thankyou for everything. Philip,& maryann dockendorf

Review 61 (2024-07-12 - Rating: 5)
Thank you for restoring sanity to our home! Hunter was patient, thorough and meticulous about his work. Truly passionate about what he does.Thanks again!

Review 62 (2023-04-17 - Rating: 5)
We used their service for pool heater purchase and installation and we’re delighted with their responsiveness to my many questions. They were super communicative about the scheduling, and were able to install several days early, for which they reached out for permission. The technicians were super personable and professional. They installed quickly and managed to save all the decorative plants around the installation. It was not inexpensive but I am encouraged we have a great product with excellent service.

Review 63 (2024-07-29 - Rating: 5)
I received a callback and had a discussion with RyanWe had a plan of action for my leal. I dropped the ball. Ryan was very attentive and had good ideas and plan of action.

Review 64 (2024-08-07 - Rating: 5)
Amazing service. Staff members are professional and knowledgeable! Jose was very patient and explained everything about the system in an easy manner!!

Review 65 (2024-02-16 - Rating: 5)
Absolutely an outstanding company with excellent employees. Had a estimate provided for a water heater that is becoming dated. The plumber was extremely professional and really knew the products, installation options and relevant codes. MarKool provided me with very reasonable estimates for a tanked and a couple of tankless models. My only decision now is which one. I will have MarKool do the work; they replaced my heater and AC about 18 months ago, so I know I can expect excellence from them.

Review 66 (2024-10-02 - Rating: 5)
Jorge was excellent. Prompt, very polite, courteous to my elderly Mom. Problem fix quickly.

Review 67 (2023-09-08 - Rating: 5)
Called Markool for some maintenance on my AC unit and my ducts. His team did an outstanding job! This is my first time using Markool and the professionalism is unmatched, even had a couple laughs with his crew. I find that I don’t sneeze as much and the air quality in the house is much better after having the ducts clean. Markool is the company to call when you need anything done! They were on time and left the house cleaner than they found it. Definitely will use Markool in the future.

Review 68 (2024-06-19 - Rating: 5)
Jose and lead tech had to come through for a quick adjustment to top floor and was very efficient. I got same day service which I love and the guys are very professional and respective of your home. They explained what they were doing step by step to me and the wife and they were quick and extremely knowledgeable! Will always go to MarKool for all HVAC issues and concerns! Amazing service!

Review 69 (2024-11-22 - Rating: 5)
We had this company install and service our units for the past 3 years. The technicians have also been the upmost professional and courteous and punctual on appt time. Looking forward to a working relationship in the future.

Review 70 (2023-09-15 - Rating: 5)
We met the Markool team at Frederick’s In the Street festival, and after the last few summers of our 19-year-old AC system limping along, we decided to schedule a free consultation with them for system replacement. They had plenty of availability, and we scheduled the consult just a couple days later.Dave came out that Tuesday and reviewed what we currently had, researched the best options for our home, and then provided us with four options stemming from best to basic. Dave was very knowledgeable, professional, personable, and invested in understanding our problems and how Markool could help us address them. I really appreciated his thoroughness not only regarding our needs and understanding the issues we’d had with our current system but also with the presentation of the options and what each of them entailed. My husband and I had TONS of detailed questions about the company, the various systems, and the warranties associated with each option; we even asked about the manufacturing and other potential competitors, and Dave carefully and thoughtfully fielded each and every question we had. Dave was patient, understanding, admitted when he didn’t have an answer for a specific question, and garnered our trust with his demeanor and knowledge. It was by far the most thorough and straightforward process I’d experienced as far as consultation/quotes go when looking into something for your home.We moved forward with Markool for HVAC replacement, and they were able to come literally the next day for installation. The team was punctual and finished in just over four hours and did a great job. It was AMAZING coming home to a cold (and not humid!) house after a very hot summer! Of course, this review is being written the day after installation, so only time will tell how the system handles the hottest summer days and how customer-centric the company is when issues and needs arise. I am hopeful that Dave’s description of Markool’s commitment to the customer proves to be accurate if we ever find ourselves in that situation in the future.Thank you to Dave and the Markool team for your assistance in providing an already loved HVAC system!

Review 71 (2024-04-03 - Rating: 5)
This company came, next day, with all the needed equipment. Neatly, cleanly, carefully installed the needed mini splits. We love the results. Quiet, clean, even, easily controlled heat and cooling. Big YES.

Review 72 (2022-08-25 - Rating: 5)
Markool came very highly recommended to us by a neighbor/friend. They answered my phone call right away and scheduled a consultation the same day. I live in an older home built in the 1940s and do not have duct work. Dave was very friendly, professional, and personable. He looked at house inside and out and discussed options with me. He was able to give me a proposal before he left, and gave me an estimated time how long the job would take and when they would be able to start. I am so happy with this company and grateful for the recommendation!!!

Review 73 (2022-12-08 - Rating: 5)
From start to finish I was very impressed with Markool. I initially sent an online message on their well designed site so they would have my information. They responded within the hour and had a technician in my area. They came by that day and provided a free estimate. I got a few more estimates, some of which I paid for, but was impressed with Markool.When installation day came (tankless natural gas hot water heater) they arrived early in the morning and on time. They were respectful of my home and family. The work was top notch and they cleaned up well. Payment was all electronic and I was able to use a credit card. The final amount was very close to the estimate. Colt explained the new system to me and was confident in his work, which was very neat.

Review 74 (2023-09-04 - Rating: 5)
Recently had our ducts cleaned & they did an excellent job! Very courteous and professional. Highly recommend!! **UPDATE** it’s been a week now and I can definitely tell a difference in the air quality as well as my A/C unit does not need to run as often. I can also keep the temperature a little higher and it’s cooling perfectly!! Super satisfied customer : )

Review 75 (2023-08-29 - Rating: 5)
We had our HVAC ducts cleaned in our house. Very knowledgeable about the service and took the time to explain the process. Upon completion left our house very clean without a mess. They even showed us the video footage of our ducts before and after they were cleaned. WOW! What a difference!! Highly recommend this company.

Review 76 (2024-06-06 - Rating: 5)
Hunter was more than just knowledgeable but very professional. He explained every step of what he was doing and did so in a manner that I could understand. Excellent employee 👏

Review 77 (2022-06-12 - Rating: 5)
Jorge is very friendly and knowledgeable. Appreciated his visit with me. Markool sent him out to me when I had a problem with the A/C. While he was here, I purchased the maintenance plan and when scheduling for the first check-up, they asked me if I wanted Jorge to be the one to perform the service. I gladly agreed. He came back a few days later to do it. He was thorough and left me with a good understanding of the condition of my system as well as options for improving things.

Review 78 (2024-08-23 - Rating: 5)
Dave was very knowledgeable and thorough in explaining the proposed system. All my questions and concerns were addressed.

Review 79 (2023-08-03 - Rating: 5)
Had Hunter Otto come for an A/C service and installation follow up. Every technician, every time, have continued to impress with technical knowledge, superior customer service and professionalism. Scheduling this visit was incredibly easy and the text reminders assured are we knew when the technician arrived. Markool will always be my choice for our plumbing and HVAC needs.

Review 80 (2024-12-17 - Rating: 5)
Excellent Service across the board. From Sales to Technicians, Install to Maintenance.

Review 81 (2024-12-06 - Rating: 5)
My HVAC mechanic came ahead of schedule, which was really appreciated since it was 61° in my apartment. He repeatedly checked to make sure warm air was coming out of all the air ducts. He even covered his shoes so its not to make a mess. Markool heating cooling and plumbing is awesome!

Review 82 (2024-04-02 - Rating: 5)
I had 2, yes, TWO, air conditioning/heating units in 2 different real estate properties die the same week. And yes, that means around a $20,000 bill for me. I took my time and had 4 separate companies give me estimates. I was not loyal to anyone and was thinking of choosing 2 separate companies to do different units.Let me add that one unit was for a commercial building in the Villages of Urbana and the other unit was for a townhouse in Clarksburg, MD.I ended up choosing Markool for both properties. I am pleased with the work, and they did an excellent job with both units. The crews were efficient, conscientious, professional and responsive. Both projects were completed in a day this week.I was a bit concerned with the clean up. But the minute I mentioned, something, the manager took immediate action to my satisfaction.I will definitely use this company again, and again. Thanks, Markool. You did well.

Review 83 (2024-04-02 - Rating: 5)
I recently switched to Markool for my HVAC and plumbing needs. Their team is very responsive, friendly, professional, and provides quality services. I highly recommend them! :)

Review 84 (2024-01-30 - Rating: 5)
Markool H&C did a fantastic job responding to a regular maintenance call. Hunter was in contact with me regarding his ETA. He showed up, went through the system and checked everything. He was done within an hour and I was able to go on about my day. I highly recommend Hunter specifically. But anyone I’ve ever worked with from Markool has always been professional courteous and most of all respectful.

Review 85 (2023-12-01 - Rating: 5)
Colt & Zach were wonderful!! They not only arrived on time, but also got straight to work. They figured out our furnace issue quickly and resolved it promptly! Both techs were professional, knowledgeable and explained what we needed and what we didn’t. We’ve been with Markool since shortly after they opened many years ago and never plan on calling anyone else for any of our AC or heating issues! Go Markool!

Review 86 (2023-08-16 - Rating: 5)
Wow, what a good experience I had by Markool Heating and Cooling (and plumbing) fixing my plumbing issue. I had a somewhat flood in my basement due to a leak coming from the upstairs bathroom. Right away Ryan knew what to do and he did it. Within about 20 minutes he completed the work. I thought this was going to take days to fix and it did not break my budget. I will use them again. Very pleased.

Review 87 (2024-10-31 - Rating: 5)
Company was very helpful with advice and took the time to fully evaluate the system and our needs to present the best options for us with no pressure to purchase. Other companies had not done the calculations or spent nearly the same time and attention evaluating and explaining the systems current performance issues or how it would improve to meet our needs. Greatly appreciate their time and attention and look forward to using their services in the future.

Review 88 (2023-12-22 - Rating: 5)
Once again, Markool provided great service. Sorry I didn’t get the receptionist’s name, but she was great. Had my file and contact information at her fingertips and had me set up for an appointment later that day. Jorge was the technician who arrived exactly on time, with a text beforehand keeping me updated. He fixed the issue, then took his time to make sure my furnace was working properly. And he seemed to enjoy the cookies I gave him to thank him for his help!

Review 89 (2024-09-03 - Rating: 5)
RC was very professional he answered all my questions. Markel could not do the work i needed done. RC offered some suggestions.

Review 90 (2024-07-16 - Rating: 5)
Hunter was great, on time, professional, informative and personable. Took care of my issue and got my A/C up and runningon a 98deg day.

Review 91 (2021-05-28 - Rating: 5)
Update 5/28/21: Have continued to use Markool for minor service calls through the winter and spring. Most recently, they did a full AC installation including my attic unit and a did a great job. They were very helpful, transparent, and informative in assisting me with the options for my new system. Chris and Dave are awesome!Chris and team are great to work with! Reliable, trustworthy, and knowledgeable about the HVAC business. Will continue to use their services as I feel I am in the good hands of trusted professionals.

Review 92 (2023-04-14 - Rating: 5)
Initial service guy (Jeorge) was great & helpful with diagnosing the problem & making recommendations. Dave came for the estimate & gave us several options & explained them thoroughly. The install crew was friendly, quick & respectful. Kyran returned the next day to fix one cosmetic issue & help with the internet set up for the thermostat. Everyone Ive interacted with at this company has been great!

Review 93 (2024-02-27 - Rating: 5)
I recently had Markool Heating & Cooling clean the HVAC vents in my home. The team did a great job. Markool will be installing a new heat pump in the near future.

Review 94 (2024-07-07 - Rating: 5)
Ryan was polite and knowledgeable about our water. He gave all the options and didn’t pressure me. Great job Ryan

Review 95 (2024-10-28 - Rating: 5)
A big thank you to Markool Heating Cooling Plumbing for their fabulous response and service of my mothers furnace issue. My mother felt comfortable and secure in Christophers assessment. Their response to provide her immediate service was way above expectations. Christopher took time to explain her situation in a way she could understand. This is the company she wants to provide future HVAC service. A very big thank you.

Review 96 (2022-06-15 - Rating: 5)
After being stood up by one company and not receiving a call back from two others, we saw someone had recommended Markool on Facebook. The A/C broke at my business and it was important that we had it fixed ASAP. We called at the end of the day and someone answered immediately. He was friendly, professional, and was able to get us on their schedule the very next day. They were very organized and sent email/text updates with the estimated time of arrival. Were glad we were able to find a reliable HVAC company and will definitely use them again in the future.

Review 97 (2024-05-18 - Rating: 5)
Hunter is courteous and timely. He took time to explain what he was doing and explained all the functions of our multiple units. Great service!

Review 98 (2024-04-11 - Rating: 5)
Ryan Ferreira was super amazing !Extremely knowledgeable about his work and his sense of urgency was extremely professional! They have gained a customer for life !

Review 99 (2022-06-07 - Rating: 5)
(6/6/22) Update: We have a 16 yr old home so the 2nd AC system was due to go... and it did... late on a Friday as luck would have it. But one quick call to Markool and I had a technician here Saturday morning to diagnose the problem. Unfortunately it was the compressor so I opted for a replacement system. Colts crew was out here Monday morning and got us all squared away by midday. Once again, a clean, professional installation and the system is running smooth and quiet. I remain impressed, but sorry guys... Im out of old AC systems now!!(7/30/21) Update: Markool continues to impress! Had an issue with a locked-out smart thermostat that had my system shut down. Chris and Dave were on site within an hour to get us back up and running again. I realize thats not always possible on a hot humid July day, but I sure do appreciate their responsiveness and ability to fix seemingly any problem.(2/19/21): Markool installed a brand new Carrier Heat/AC system and Gas Hot Water Heater for our finished basement project. They were on time, professional, courteous and neat. The finished installation is beautifully done. Top shelf! Will recommend them to everyone I know.

Review 100 (2021-12-10 - Rating: 5)
The installers showed up on time, we’re professional and courteous. The installers got the job done and left the work area cleaner then when they arrived. Dave, the sales rep, was professional and well knowledgeable on his company’s products and was clear and transparent in what his company offers.Would highly recommend Markool to anyone.

Review 101 (2022-06-24 - Rating: 5)
I called them to provide me an estimate for replacing my HVAC System . Dave from Markool came and went about understanding my requirements and expectations from the new system. He systematically reviewed my existing system took required measurements and then proposed to me several options and explained them to me. The proposal was also presented with all the information in very professional manner. I have others come in as well but few have demonstrated the professional and quality work in providing and estimate. Looking forward to compare their bid with other vendors and decide based on value. Overall made a very positive impression.

Review 102 (2024-10-14 - Rating: 5)
Markool has been good to us. We’ve had both HVAC & plumbing issues that have been rectified both in a timely and fairly priced manner. The techs (Ryan specifically) are very knowledgeable and professional. It’s overwhelming the options out there. It is a good feeling to have a company that you know is reliable when faced with these often pricey and pressing matters.

Review 103 (2024-07-03 - Rating: 5)
He was very knowledgeable and worked very quick! I would highly recommend this company for your hvac needs!

Review 104 (2023-12-15 - Rating: 5)
Our technician, Hunter, did an amazing job. He was courtesy, professional, and knowledgeable. Always a great experience with Markool.

Review 105 (2020-08-02 - Rating: 5)
Excellent communication from the start, experienced and quality workmanship. Knowledgeable and honest. Reasonable pricing and a pleasure to work with. Prompt, and an overall great experience!!!

Review 106 (2022-03-28 - Rating: 5)
I had a weekend issue where my heating was not working. I called Markool Heating & Conditioning at 5:45 am. Chris the owner received my call, seemed eager to help and assured me someone would be at my residence between 7:30 and 8:30. He was on time and a little earlier than the original eta. He was friendly, professional and extremely knowledgeable. After diagnosing my problem, which he did in a few seconds (no exaggeration) he explained the issue and how he would fix it as well as showing me some unseen problems that the prior contractors who installed missed. He even checked to see if my unit was still under warranty. The owner Chris and Markool Heating & Cooling are the best in the area. I would recommend them for all your heating and cooling needs.

Review 107 (2021-09-09 - Rating: 5)
First time using Markool, Luke came to check out our units and was great about answering any questions I had. I’m a newer homebuyer and he gave me a lot of really good advice. Booking was easy, he was on time, very friendly, and was able to identify an issue (and fix it) before it became a problem for the rest of my unit. Plus my dog liked him, so 10/10 will use Markool again

Review 108 (2024-11-13 - Rating: 5)
Honest and reliable. Fixed the problem and provides a wonderful maintenance/ discount program. Great communication with the company I would give them 10 stars.

Review 109 (2022-06-10 - Rating: 5)
The whole team did a great job. Very professional, thorough, helpful. Good prices, excellent terms on optional service plan. Four bedroom single-family home, whole-house Carrier Infinity Home Comfort System replaced old Lennox system. Also added a return and two supply ducts in finished basement, new thermostat. Entire job completed in five hours. Top notch team.

Review 110 (2021-09-15 - Rating: 5)
A very professional company. Quotes were clear & accurate & very well presented. They answered all my questions with knowledge… which only comes from experience. Their maintenance/tech guy was impressively knowledgeable. I signed up for a bi-annual maintenance plan which, makes me feel my HVAC units will be well taken care of through out the year. Highly recommend them.

Review 111 (2022-07-12 - Rating: 5)
Very professional staff- from consultation to installation. The front desk is engaged from the moment the call is answered and the installation staff is fixed on working- they are professional and knowledgeable (not clueless and distracted). Our decision to go with Markool was based on previous reviews and I am now giving them a 5-star as it was a good decision.

Review 112 (2022-03-29 - Rating: 5)
Company was thoroughly professional from the initial sales call to the cleaning up of the job site when they were done. Very responsive to all our questions and recommended the system that worked well and within our budget. Dave was patient and answered all our questions during the sales process and the installers were polite and made sure we were happy before leaving. Will be using them again for sure.

Review 113 (2024-10-17 - Rating: 5)
The Markool team did an incredible job, removing sections of our hot water baseboard heat, and rerouting it in a fashion that would meet the needs of our renovation. Things were cleaned up and taken care of in a very professional manner at the conclusion of the job. Their professionalism and courtesy was impeccable!

Review 114 (2022-08-30 - Rating: 5)
Called Markool Heating & Cooling about a free quote. The appointment setup process was smooth and well communicated. Comfort advisor was well knowledged, provided feedback on current system and pros on what a new system would do. I was very pleased on the consultation and highly recommend Markool Heating & Cooling.

Review 115 (2024-04-21 - Rating: 5)
I highly recommend Colt Markoe to service your HVAC needs. His professionalism, expertise, thoroughness, and customer service skills are amazing.

Review 116 (2024-01-17 - Rating: 5)
We wanted to have our unit checked and Markool came out same day. Hunter came out to check our unit and was friendly and knowledgeable. Highly recommended

Review 117 (2022-04-06 - Rating: 5)
This was my third experience using Markool for our heating/cooling. They were up front and fair, gave me the deal I needed to replace our gas furnace and AC units. And did it all within 2 days! At a price that was fair. We had a small hiccup after installation, and a limit switch was tripped, I texted them at 6am and they answered! Were there by 8am on a Saturday and all is well. Colt was polite and personable, and cared about doing a good job. I would highly recommend Markool Heating & Cooling.Update 4/6/2022...Colt was back today to check over our unit since its been in for about a year. He was on time and polite, and is just great representative of and for this company. I hope that these reviews I left will help the readers decide to give Markool their business.

Review 118 (2024-10-31 - Rating: 5)
Hunter Otto was professional, courteous and good to deal with !

Review 119 (2023-04-13 - Rating: 5)
I ve been using Markool since they started a few years back. The are responsive and the are trying above and beyond to meet the needs of the customer. That is a great value proposition for me. I would highly recommend their services

Review 120 (2022-12-20 - Rating: 5)
Luke was extremely professional,respectful,timely and had a overall great attitude. You can tell he very much enjoys his job and is extremely Knowlageable in his trade. Would highly recommend to anyone in need of hvac/mini split maintenance or installation.

Review 121 (2024-11-25 - Rating: 5)
Very Helpful- we signed up for the yearly maintenance plan

Review 122 (2024-09-05 - Rating: 5)
Very professional and awesome they provided a quote right there!

Review 123 (2019-12-07 - Rating: 5)
Chris Markool was super professional, kind, and skillful. A few things really stood out. 1) He did a furnace flue piper install that he could have charged us much more for if he had wanted to take advantage of us - but he was honest and we paid less than we feared. He also went the extra mile helping my wife and I through a warranty claim with the furnace company so that we did not have to pay extra part costs. It was an unexpected need, but he was prepared with the part and worked with the manufacturer to get us covered. He was even able to better a previous repair. 2) On a home humidifier install, he made himself available on short notice, took time to answer our questions, and then showed us how to maintain the equipment ourselves so we wouldnt need to shelve out more for additional contracting work - even from him. Grateful!

Review 124 (2023-09-26 - Rating: 5)
Markools technician, Jorge M, just completed my Semi-annual HVAC checkup. I was surprised to the detail of the procedures that he performed. He even showed me pictures of the items he cleaned and explained what simple things I could do to make my system run smoothly. I appreciated the information he presented to me. Its people like Jorge that keep me staying with Markool. Thanks Chris for providing such quality service.

Review 125 (2022-05-12 - Rating: 5)
Markool Heating And Cooling Services were very prompt and professional. We called them the day our AC unit died and they came out right away on a Saturday to see what was wrong. As soon as our AC unit was in they promptly called to schedule the installation. We will definitely recommend their services to our friends. Thank you for a great job done.

Review 126 (2020-10-02 - Rating: 5)
I’m a first time homeowner with little knowledge about HVAC or what it costs. I needed a whole new unit, everything ripped out and replaced, so I was pretty anxious. The owner came out to do the inspection himself and was straight to the point. He asked my budget range and came up with 2 great systems within my budget. The process was easy and I understood everything from start to finish. I’m very pleased with everything and definitely recommend them.

Review 127 (2023-10-24 - Rating: 5)
Hunter was amazing. Great communication from alerting me to arrival time to explaining and showing me my heating and a/c system. I now feel confident my systems will work efficiently for another year.

Review 128 (2024-06-20 - Rating: 5)
Dave was very helpful and gave a ton of great information when giving me a quote on a second HVAC unit

Review 129 (2024-12-20 - Rating: 5)
Great service. Great price. Thanks.

Review 130 (2022-08-10 - Rating: 5)
Awesome company. Quick response and sent out tech next day. Invoice was below what the estimate was. And owner worked out a payment plan that fit my needs. Would 100% recommend to anyone in need of air conditioning work.

Review 131 (2024-10-27 - Rating: 5)
Next day service as promised and cost was as quoted even though job was of unknown duration at time. Professional, timely and courteous (all Markool personnel with which I communicated). I would never consider using any other HVAC vendor.

Review 132 (2022-03-22 - Rating: 5)
Luke came to our house and he was very professional and personable.He explained what was happening with our system. We are able to wait until we save enough money to fix the problem. We will recommend Luke when we are ready for the job. Thank Tom & Daniele :)

Review 133 (2023-05-02 - Rating: 5)
I have used their services twice and I will never turn to another competitor. The team in every aspect from my first initial call, to this last HVAC maintenance appointment, have been phenomenal. They have always been on-time, professional and down to earth explaining to me what has been the problem (I’ve had bad luck with my HVAC system) in layman’s terms. In terms of their pricing it has been better than majority of others around. Also, what I find very modern is everything is sent electronically via emails, text messages etc. telling you when they are on their way, what technician is coming (picture of said tech and contact info), and lastly your invoice/receipt when complete. Overall, I’ve been more than pleased. I have referred them time and time again to friends and family and never heard anything negative about this TEAM.

Review 134 (2024-08-15 - Rating: 5)
Convenient service, solid communication, friendly tech and staff, and no visit fee!

Review 135 (2023-01-13 - Rating: 5)
Jorge did a fantastic job with ionizer/air cleaner install while providing some tips for user/self maintenance and items to keep an eye on. Great service, professional, highly recommended!

Review 136 (2023-02-02 - Rating: 5)
Very pleased with Markool and their staff. Everyone has been on time, very respectful, courteous and actually happy in their work! So glad I called them. Oh and my dogs like them as well. LOL

Review 137 (2024-11-21 - Rating: 5)
On-time, Reliable, Kind & they get the job done.

Review 138 (2023-10-23 - Rating: 5)
Hunter was engaging and kind enough to tell me about various elements on our furnace. He’s very knowledgeable, down to earth and a great asset to the company!

Review 139 (2022-06-20 - Rating: 5)
Luke was very knowledgeable and professional the entire time. He gave me quality recommendations that I will for sure use in the future. And most importantly My two ankle biter barking dogs got along really well with them and they don’t get along with a whole lot of people.

Review 140 (2024-07-31 - Rating: 5)
My AC was not working properly so I called some of the big name companies to see if they could come out. To my surprise, they were 6 to 8 weeks out including the actual company that installed my unit. I reached out to Markool based off of some of the reviews, I’ve seen on my local Facebook page and they were amazing from the very first call. Had empathy and understanding with a certain amount of urgency to get out to my house the very next day.I highly recommend this company!

Review 141 (2020-02-28 - Rating: 5)
I definitely recommend Chris and Markool Heating! He replaced part of an AC unit at our rental property 2 years ago and was great to work with. So when we had an issue this evening with the heat, I called Chris who went out there right away and was able to resolve the problem quickly. Very friendly, professional and all around great service!

Review 142 (2024-06-12 - Rating: 5)
Very quick response time. Ryan got the job done efficiently, and gave us suggestions to prevent a similar problem in the future.

Review 143 (2022-11-22 - Rating: 5)
So grateful for their quick responsiveness to our tenant home that houses an elderly couple. Within an hour of calling, they came out & fixed the issue. We’ll only be using Markool from here on out.

Review 144 (2020-08-19 - Rating: 5)
Chris was excellent! He performed a thorough investigation to identify an issue with my drain line after multiple professionals could not get to the bottom of the issue. I would highly recommend working with Chris as he pays very close attention to detail and can provide clear solutions to challenging situations. He’s also consistently professional and patient.

Review 145 (2022-08-18 - Rating: 5)
Jorge was friendly and professional. He explained the problem and a course of action. They will be back to install the the new refrigerant line I need.Follow up: Jorge and Kyran installed a new system for me. Im very pleased with their work.

Review 146 (2021-09-23 - Rating: 5)
Colt and Hunter installed a outdoor unit and mini split in a custom addition we’ve been working on in less than a day. They are extremely clean and efficient not to mention a lot of fun to have around. This wasn’t a typical install and came with multiple complications. Markool attacked the job with a positive attitude and exceeded expectations.

Review 147 (2024-05-14 - Rating: 5)
Lovely experience. Just got an estimate today. Told us all we needed to know. I appreciate the time our family was given.

Review 148 (2024-01-02 - Rating: 5)
My experience with Hunter would be 10 plusstars. His demeanor, professionalism, and knowledge proved he is an asset to the Markool Company!

Review 149 (2024-05-29 - Rating: 5)
Excellent experience with both their Plumbing and HVAC teams. Reasonably priced, timely, professional, respectful!

Review 150 (2022-05-24 - Rating: 5)
Called late in the day and had a tech at my house in under one hour. Chris was super nice on the call and Luke was very professional during the repair. Couldn’t ask for a better “first” experience with a local company.

Review 151 (2020-07-19 - Rating: 5)
Mark oil was completely professional, prompt and very affordable! Our AC went out on one of the hottest days of the year and they were great about coming right out and replacing our system at a super affordable rate! They are the ONLY company we will use going forward. Thanks guys!!

Review 152 (2023-04-19 - Rating: 5)
Excellent service. Clear communication on equipment options, price, dates of installation and installation. The team came on the day and time promised. They explained what they would do, explained what they did and offered post-installation service. They left to area clean and removed old material. So far, so good.

Review 153 (2024-08-28 - Rating: 5)
We’ve used Markool for our last handful of issues with our units. I really can’t say enough about their service and quality. They’re always extremely prompt, very polite and explain in details the repairs that they’re completing. This last time, I called at 8:30 AM that our upstairs unit was leaking and they were in our attic by 10AM. I’m sure they could have found ways to upsell the repairs, but they didn’t. By Noon we were cooling again and received an extremely reasonable repair bill. They’ll continue to be our go-to.

Review 154 (2020-07-01 - Rating: 5)
As a landlord, Ive worked with a lot of companies over the years. I really appreciate an honest repair/replacement company. We try first to repair and if that doesnt work then we replace. This company gets it! We have used them for both repair & replacement and we trust them. Nice to work with, bills were reasonable, our renters, who are great, liked them. Couldnt ask for better.

Review 155 (2022-12-06 - Rating: 5)
Jorge was very thorough, and explained to me everything he was doing and why. He also gave me recommendations on how to improve the performance of my unit, and optional safety upgrades. Im happy you have Jorge as a technician. Thank you.

Review 156 (2024-06-20 - Rating: 5)
Hunter was great. Explained jt all. Here is hoping my ancient system keeps going for another few years

Review 157 (2023-04-28 - Rating: 5)
Once again, Dave the estimator is a standup, sharp and smart professional with a fantastic personality and demeanor.Dave presented an honest and clear description and estimate of the work to be accomplished, and many options to consider to accomplish the job.Thanks Dave.

Review 158 (2021-07-22 - Rating: 5)
Called this company on a Friday early afternoon about an issue with our duct work. They showed up within an hour and were very professional. They talked me through everything (my husband was out of town) and made sure I was okay with everything and understood what they would be doing. They completed the work, left the area cleaner than it was when they arrived, and they were all around down to earth sweet gentlemen. Prices were super reasonable even with calling right before closing time on a Friday! Cant say enough good things about this company! Will definitely be using them again and I would 110% recommend them for any HVAC work that you need!

Review 159 (2024-08-27 - Rating: 5)
Exceptional company that provides quick and reliable service for urgent matters. We contacted Markool early in the morning and we had a technician at our home shortly thereafter. Our HVAC system was fixed by lunchtime. The technician was very thorough and professional too!

Review 160 (2021-06-17 - Rating: 5)
The crew did a fantastic job replacing my system. The unit was antique!!! The young men explained things along the way, made suggestions for upkeep, and you could see they enjoyed what they were doing. I am very grateful for the quality of work performed, and the pleasantness of said crew.

Review 161 (2023-08-31 - Rating: 5)
Hunter was prompt and polite. He performed service on my of my HVAC units with zero issues. I highly recommend Markool Heating & Cooling.

Review 162 (2021-08-09 - Rating: 5)
Luke was super friendly and helpful. He replaced our capacitor in 10 minutes and had our AC working in no time. I would highly recommend using this company and their employees.

Review 163 (2024-10-17 - Rating: 5)
Hunter and Jacob were terrific and explained all sorts of things about my HVAC to this new homeowner. Fine company!

Review 164 (2023-04-13 - Rating: 5)
I want to thank you Markool A/Cfor the professional and quick work they did for me, Luke the technician was really professional, he find the problem right away, and help me with set up my new Sensi Teremostat., I really highly recommend Markool A/C for any repairs

Review 165 (2022-03-29 - Rating: 5)
Chris was great!!!! My heat wasn’t working, I called around 9:30 pm and left a message. Chris called me bright and early at 7:30 am and showed up before 9am! He was awesome! I had to be on zoom with my class, he did what he needed and texted me when he was done! 10/10 stars!!!

Review 166 (2024-01-02 - Rating: 5)
They were able to schedule the service next day ! Had the estimate within an hour for future service . Thanks Colt

Review 167 (2024-04-07 - Rating: 5)
Markool has been servicing our HVAC unit for many years. Outstanding Service and Professionalism!!!

Review 168 (2021-06-18 - Rating: 5)
The Markool Heating & Cooling team did an excellent job with my system check up. Highly recommend the maintenance plan to make sure your system is always running at peak efficiency!

Review 169 (2024-05-28 - Rating: 5)
Very thorough inspection of the HVAC unit. Found why the unit was not cooling. Highly recommend this company.

Review 170 (2022-03-17 - Rating: 5)
Filled out online form and received a call to schedule maintenance within a few minutes. Technician arrived on time, explained issues, and walked through solutions. Repair completed same day. Provided list of possible maintenance items to consider. No sales pressure.

Review 171 (2021-07-16 - Rating: 5)
Contacted Chris in an emergency situation on a Friday afternoon, and he was at my house 30 minutes later and fix the problem at extremely inexpensive cost. If you need anything done involving your heating and cooling systems I highly recommend giving Markool a call!

Review 172 (2022-06-27 - Rating: 5)
The bilge to evacuate the condensate had stopped working and overflowed into my pan, tripping the moisture alarm, and shutting off the A/C. I had diagnosed the problem, but didnt have time to go get a new bilge (company in town) and wasnt sure how to dry off the moisture detector that was now waterlogged. They came out promptly, fixed the problem, and were very professional.

Review 173 (2024-04-07 - Rating: 5)
My a/c went out on memorial day I called them knowing it was a holiday and they sent out a technician within a couple of hours and checked out my unit and told me the problem. you wont find a more reliable and courteous bunch of people! I am very pleased with this company thank you Markool.

Review 174 (2022-01-31 - Rating: 5)
Luke from Markool was very professional. He took his time to explain things and was friendly. Scheduling my appointment with Markool was also very easy and convenient.

Review 175 (2023-12-02 - Rating: 5)
Richard, our technician was great. He arrived on time and explained everything. He was friendly and efficient.

Review 176 (2021-02-24 - Rating: 5)
Wonderful company to work with . We needed to replace our 26 year old heating and air conditioner units and Markool provided excellent service and recommendations for the best units for our home. Highly recommend

Review 177 (2022-05-27 - Rating: 5)
My house is a new home and have issues with the HVAC system. The builders HVAC company did a poor installation and the damper is not working. I have got Markool Heating & Cooling Reference from Carrier Customer support. Chris is very professional and pin pointed the issues related to the HVAC installation and provided the recommendations.

Review 178 (2024-08-07 - Rating: 5)
Friendly staff and elite quality of work! Richard Conner is highly recommended.

Review 179 (2023-06-26 - Rating: 5)
Fantastic experience with Markool, specifically, Luke Allerton. Great pricing, super fast service and very personable. Highly recommend!!! A++++ all the way!

Review 180 (2024-07-05 - Rating: 5)
Definitely choose Markool!!!! Chris came out promptly to fix our air conditioning on a 100 degree day. Couldn’t ask for better service and reasonable pricing. This company is awesome!!!!

Review 181 (2020-06-02 - Rating: 5)
I could not have asked for better quality service. Very knowledgeable about the trade and gave me helpful tips about my unit. I highly recommend these two stand up men for all your HVAC needs, they will not disappoint

Review 182 (2024-08-02 - Rating: 5)
Great service, on time and good estimate.

Review 183 (2020-07-30 - Rating: 5)
Chris is very professional and friendly. My AC was down and he managed to repair it very quickly. Great service. Dont hesitate, call him!

Review 184 (2021-08-31 - Rating: 5)
We had an emergency with our ac unit not working and Markool was there to help when we called even though they had a jam packed schedule. I cannot be more grateful at their responsiveness and attentiveness for their customers.

Review 185 (2024-06-18 - Rating: 5)
Your agent did a great job.very happy with the service.

Review 186 (2024-01-23 - Rating: 5)
Excellent, knowledgeable technician who took time to explain what was going on and what was needed to fix it. I highly recommend him and this company!!

Review 187 (2024-11-14 - Rating: 5)
Very professional and extremely timely service.

Review 188 (2024-08-02 - Rating: 5)
He was very professional and answered all of our questions.

Review 189 (2024-11-11 - Rating: 4)
I was very satisfied with the last visit from Hunter, he is very polite and experienced.

Review 190 (2024-03-05 - Rating: 5)
Quick, skilled and communicates well. Hadnt expected the good service received!Thanks Markool!

Review 191 (2023-01-12 - Rating: 4)
We have not made a decision, but what we can’t understand is that the price is double what we have been estimated for the same brand of unit and using the excuse that the pandemic rose the price up to be so high and that other companies can’t stand behind there work like your company, just throws me off a bit and saying these small companies in the area can’t do what you can do and I believe in giving the company in our community the work as opposed to a large corporation, I don’t see where he justifies the price as double,and I didn’t mean the unit was the same the other 2 estimates were with Lennox and he gave an estimate with Bryant which is also a great brand but your estimate came in twice as much as the others , so I doubt we will be using this company, double the price , there just is no justification for that