Rated 4.92 / 5 from 24 reviews
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DT Air Conditioning & Heating Our commitment is to provide our customers the best price, highest quality, on-time professional air conditioning repair, sales, and installation in all of Collin County and North Dallas area. Our Air Conditioning and Heating Maintenance programs offer the assurance that all of your components and systems are functioning appropriately and with the highest degree of efficiency.

DT Air Conditioning and Heating can help ensure that your home or commercial property is not only a comfortable environment, but a healthy one. According to OSHA Indoor Air Quality.
Business details
  • Year established: 2000
Reviews (24)
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Kiran Ravulapati
May 28, 2022
Update: I thought they were reasonable until I found out online the capacitor they replaced cost less $20 but they charged $229 (+ $85 service fee) The amount of price difference shocked me. The business owner said they are very competitive. He may be right but I can't verify it. For the price difference reason, I am changing their rating. ---- The technician showed up on time and quickly identified the source of the problem. He explained it and then fixed it for a reasonable price. I would hire them again, if needed!
Roy M. Sparks
May 23, 2022
The installation of our new AC and heating system was done on the date promised. The work was completed in a timely fashion. The technician and the installers did an excellent job. There was very little disruption while work was in progress. My wife and I are excited to have a new highly efficient system. Price and quality were our primary concerns and we found both with DT Air Conditioning.
D. Woo
May 21, 2022
Dana and his employees installed a new AC/heating system to replace my original one. They gave me a quote, but it turned out to be a very difficult install because part of the system is in the attic and the system did not quite fit without removing/reinstalling the attic staircase. Thus the AC/heating install took several hours longer, but they did not charge extra. Today, when the attic staircase door won't close due to the spring latch, they came within 40 minutes from my call to fix the problem. I was relieved because it is late Friday when most technicians are headed home. Thank you!
Carole Moore
May 12, 2022
Dana, Alan and crew were thorough, prompt and responsive. I couldn't be happier with my new Carrier Variable System. Services: Installation, Install AC, A/C system dismantlement, Install thermostat, HVAC duct & vent installation, Heating system installation
Jim Hilbert
May 10, 2022
This is my second residence to use DT and I've been using their bi-annual service for the past nine years. They are always on time, efficient and thorough. I have had both Carrier and Trane units at each residence and all repair needs have been handled without issue. Highly recommend them!
Shirley Wentworth
May 02, 2022
DT Air Conditioning & Heating is the best! I have been using them for service for a couple years. They give quick appointments when at all possible. Their service is excellent. I always feel confidant in their service calls and work. Their workers are polite, friendly and professional. I would not call or use any other company. DT Air Conditioning & Heating is a reliable and great company.
Paul Hancock
Apr 22, 2022
I have used DT Air for more than 7 years. I used them to replace our AC/Heating with new outside unit and furnace in attic. Outstanding job then. With good pricing. Dana and Zee were great to work with and I trust them. We have moved since that work was done and we use them at our new house. They are maintaining two super old units for while I save to replace for a new unit. Again, Dana and Zee are good at their work, knowledge, system design, and just good people. I would highly recommend them.
Thom Stead
Apr 21, 2022
Allan was the man! Diagnosed the problem and fixed in minutes. Also got to the house in no time. Great service! Service: A/C system repair
Carla Spann Sims
Feb 20, 2022
I use this company for my business as well as my home. I trust their thoroughness in diagnosing problems. They respond quickly and I believe the pricing is fair. I would highly recommend DT! Services: Installation, Install AC, Install thermostat, HVAC duct & vent repair, HVAC duct & vent installation, Heating system installation
Steven Pickert
Dec 16, 2021
A super outstanding company and friendly professional people. I highly recommend them, a super great company. They went way beyond the norm to trouble shoot and fix my heating system. Thanks so much to the DT team. Use this company for sure! Service: Repair AC
David Haber
Oct 18, 2021
I've known Dana & crew for years. Honest, Professional and affordable. Highly recommended! Service: Repair AC
D. Reese Sr
Sep 03, 2021
Dana and his team are excellent to work with. From the time I first contacted Dana about a quote for my downstairs unit until his team arrived at my home, the entire process was easy and no haggling. Dana's team showed as scheduled and completed the installation of my HVAC system without any issues, his team was professional and efficient. I would recommend DT Air Conditioning & Heating.
Tony Johnson
Sep 01, 2021
The last 2-3 times they had been out they were saying my system was on it's last leg. Two weeks ago there was a "slow" leak of R22. We were hoping to get it through the season. Slow ended up being 48 hours (unfortunately). I made the decision to replace the system (inside and out). Dana provided a large amount of time on the phone educating me about heat pumps, and systems as a whole, as tech has evolved a bit since my dad who did this retired. Dana said I would have two quotes by the morning.

They came in around 2:30AM (Sleep if this wasn't automated).I bounced the proposals off my father (a retired HVAC guy) and I went with a two stage unit inside and out. Dana was there bright and early on a Monday measuring things. He got in the phone to call the people picking up pieces to make some adjustments to get the most out of the physical space.

They were awesome staying on top of the install all day. Toward the end of the day it was time and we fired it up. The new system is quiet, and I actually have it set 3 degrees warmer in the summer than my old system and my kids don't complain as they did about the old system. Dana also ended up climbing into my attic and doing some minor duct work to help maximize the air flow.

I cannot image how hot it was there in August after the heat of the day. He didn't flinch. He did what he could there for now and said it should hold until later when it's cooler and he can come back and make some adjustments with bigger ducts, etc. All of that on his youngest child's birthday. I told him go home and enjoy that time. He called me the next day to not just ask how the system was working, but how I liked it and how the kids liked it as well. Thank you Dana and team!
Matt Murphy
Aug 19, 2021
The team was so great to work with and gave multiple options for our new AC units. Quick install, showed up on time, and great pricing and customer service! Services: Repair ducts & vents, Install AC, Install ducts & vents, Install heating system
Terry Hutchings
Feb 09, 2021
Dana was professional from start to finish. His suggestions for improvement to our current situation (21 year old system) were spot on. We purchased two variable speed units from him. He was prompt, he and his crew worked diligently and completed the job in one very full day. He carefully removed the old unit and left the attic cleaner than when he arrived. Dana came back the day after installation to check everything out once again before payment was required. We would highly recommend DT Air Conditioning and Heating!
Chris K.
Nov 28, 2020
Dana and his team did an excellent job and went well above my expectations. I received the highest quality air conditioning system available for my home at an excellent price. The Carrier 19 SEER unit looked like it came right off the factory floor and when we checked the manufacture date they were only 2-3 months old! The team of installers did a great job, and considering the amount of old duct work that needed replacing, it was a massive project for them.

I also needed an extra return air vent and Dana provided that at no cost, letting me know that other companies would probably not do the extra work but he wants every job done correctly. I highly, highly recommend DT Air. Now my home feels amazing and the dehumidifier is a wonderful extra feature to keep our house cool all day long. No more summertime blues for us! Thanks again Dana and everyone on your team!
C. R. Kinsman
Nov 24, 2020
DT's crew showed up on a timely basis, worked to complete the job in a professional manner, including fixing an existing issue we were not aware of with no additional charge. We were very pleased with the installation of a new heating and AC system at a competitive price and with all necessary registration and paperwork completed immediately, We highly recommend Dana and his team.
Mahro Rasan
Sep 18, 2020
DT Air installed a new system in our home. They were very professional and clean in doing the job. There price was very reasonable compared to all the other companies I got quotes from. I would definitely recommend them to anyone looking for a/c service. Thank You DT and team for helping us. Services: Install AC, Install thermostat
Bill Zolman
Jul 10, 2020
Great installation and the crew with Jose was very professional and did a great job for us. Dana the owner of the company came out and explained what his team was going to do and I felt very comfortable with him and the job that was done. I would highly recommend his services to anyone that is looking for a system at a reasonable price.
Christopher Tison
Sep 01, 2017
I needed a new air conditioning system for my house, contacted Dana on a Thursday afternoon and he was out there the next day. He was extraordinarily professional and installed the entire system with no issues within a week. I would recommend the company again in a heartbeat and if I ever need any A/C work done again I will be using them. Thank you so much for the great experience Dana!
Steven Hightower
Jun 21, 2017
Quick, quality service, and they were reasonably priced. I recommend this company and will be using them again.
Moss Yousif
Apr 09, 2017
I had the best experience with DT Air Conditioning and Heating. Dana is very Friendly and knowledgeable. I called around, DT had the best pricing around. They replaced 2 new A/C UNITS and did a great job. Very organized and clean work. I would recommend this company to anyone who needs a/c & heating service. Thank You!
Dusty Culberston
Dec 08, 2016
Dana and his team replaced my downstairs a/c & heating unit - interior and exterior. He offered a good price and was able to install right away. His team was very courteous and effecient. Dana even sent out another experienced tech to double check the installation connections and make sure everything was done perfectly.
Don Livingston
Mar 10, 2016
We've been using DT Air Conditioning & Heating for several years for maintenance on our A/C and furnace systems. Recently, we had our old system stop working and I contacted DT for a system replacement. They were able to schedule the work quickly and complete same day. The crew was super courteous and helpful. Great service and competitive pricing.