North Houston’s Most Trusted HVAC Repair & Replacement Service

We were very pleased with the crew from ATS Mechanical. They removed the in attic equipment as well as the outside units. The owner, Barry, explained how the existing duct work was inadequate for the amount of air the air handlers were capable of and had the crew replace the ductwork with the prop ...continue reading er size for a well balanced system. Of the three bids I received, ATS was the only one that mentioned that. Very fair pricing and excellent performance. I highly recommend them for your next service!! Show Less

Brock and Jordan were great! Brock was honest, knowledgeable, and answered as many questions as possible. He was with us throughout the entire process, coming back to walk through the completed work afterward. Brock found a connection was loose and made sure that it was secured by Jordan who did an ...continue reading excellent job. They both exhibited both integrity and responsibility- something sometimes lacking with contractors and technicians. I would recommend ATS Mechanical to anyone! Show Less

We were having a drainage issue at our house and wanted ATS to check out. They were able to schedule an appointment with me the very next morning after I contacted them. Jordan, the technician, was on time and both polite and super knowledgeable. He let me know what he was doing every step of the wa ...continue reading y and happily answered any questions I have. I definitely recommend ATS if you have any HVAC issues. Show Less

ATS is the best heating and AC company ever! I had my AC, furnace, and ducts replaced in July, and the workers that did it were all so sweet and did a fantastic job! I also had Shaun come over to perform a heating inspection this morning and he did a very thorough job. I appreciate how he took the t ...continue reading ime to explain to me what he checked. All in all, I absolutely love how professional, responsive, and caring this company is. I highly recommend them! Show Less

ATS tech was professional and met all my expectations. I had some extra work done that was obviously needed. There was no attempt to "sell" me something I didn't need.

I love the impeccable work that Jordan Nickell, the technician, performs on every single appointment. Very thorough and meticulous work while explaining the workings of each system. Very happy with ATS Mechanical Heating & Air Conditioning.

ATS Mechanical installed both my heating and A/C several years ago. They also provide maintenance and ensure performance is maintained on both units twice per year. I’ve been very happy with their customer and service team and will continue to use them for all my heating and cooling needs.

Barry Granger and ATS mechanical did an amazing job replacing our three central AC systems. Two were original issue (17 years) and one was 11 years old choked by a drywalled-over return that Barry's team discovered. They have amazingly professional installers and they exude honesty and integrity w ...continue reading ith every interaction. Our new heat pumps are providing clean, comfortable air efficiently and quietly. Thank You ATS Mechanical! Show Less

Tom provided us with services above and beyond the call of duty. He is always professional and very informative on work performed and things we can do to make sure we get the best out of our membership with ATS. We are very happy to recommend ATS to others. This is one of the reasons we request him ...continue reading when we call ATS because of the positive experience and the fact that my wife and I feel like valued customers by Tom. Thank you, Tom, and ATS for everything. Show Less

By far the best. I'm impressed with how thorough and particular they are. And they did it fast - on schedule and at they price quoted. My house is cooler than it has ever been. This company excels because of a good work ethic supported by good people

We called in the morning to have some minor work done and Tom was on site that afternoon. He was very thorough and conscientious in the diagnosis and repair of the issue. And, no surprises in the invoice. Very impressed with the service.

It is hard (if not impossible) to find standup and honest trades for home repair or improvement. ATS Mechanical lead me through complete AC replacement with upgrades in 2021 and warranty service on multiple issues since; including a complete replacement of my outside unit more recently. They stand b ...continue reading ehind their work and they hold their providers to stand behind their products. I have recommended them to numerous friends and will continue to do so. Nothing but good things to say! Show Less

They were very polite and respectful when they answered the phone. They arrived when they said they would, they even have a notification system and mapping to share the technicians ETA. The technician was very knowledgeable and happy to answer any questions I had. The service was thorough and pri ...continue reading ce fair. I would recommend them. Show Less

Second service on our A/C , just a checkup to make sure all is running smooth.Tom, the Tech did a great job of checking thing and explaining all that was done. Also I wanted surge protectors added to each areas in and out side. Done in sort time. All is running great all so balanced the air flow. T ...continue reading om , ATS did a great job . Show Less

JORDAN IS GREAT!!! He really knows his stuff. He was very respectful and helpful. I would highly recommend him and ATS. They did a great job!