Delta T Heating & Cooling LLC

Dimos is the best!! Aside from his experience and expertise in what he does, he is respectful, fair, and very honest. I have total faith in him and as long as he is available I will never go elsewhere. Thank you Dimos
for being who you are.
Barbara Oldenhoff

Excellent service! Demos was responsive, reliable, thorough and knowledgeable. He got the job done quickly and was very clear each step of the way. We felt like valued customers and will definitely be maintaining our HVAC with Delta T.

Dimos is the best in the business. He is extremely professional, timely and courteous. His experience in the field is evident with how quickly and efficiently he repaired my AC unit. I’d recommend him for a great service experience!

Dimos came a day earlier than we expected to repair our air conditioner which made us very happy since the next day called for 93+ degree temperatures. He was very thorough in his diagnosis, took the time to explain everything to us and completely resolved the problem. He was also very considerate. He wore a face mask the entire time he was in our home and also wore booties over his work boots to protect our floors and rugs. Will definitely use him again and highly recommend that others do the same.

Great service from Dimos! He arrived to look at our AC unit, within a few minutes he was able to pin point the issue! He got us a part in only a few hours that normally takes a few days! He later returned to install the new mechanism and now our AC is working flawlessly!! I highly recommend Dimos for any AC service/maintenance!

After having a bad experience with a different HVAC company it was Delta T to the rescue! Dimos was able to come assess my AC unit the very next day after I called and installed a new unit (in the middle of summer!!) within 1 week. The service provided was discussed thoroughly with me, professional, and friendly. As long as I’m in the area Delta T will be the only company I’ll use for any HVAC needs.

Dimos was incredible. I called so many companies, one of which I actually paid $300 to come out and diagnose, who said my fix would require opening interior walls and would be $3K+. The other companies I called wanted $500 to come diagnose. I found Dimos on Nextdoor and called him after having our AC broken for almost 3 months June-August. He came within a few days to diagnose and actually fixed the issue during diagnosis. The cost was 1/4 of the price and he explained everything he did every step of the way. He also had these shoes he clicks onto his boots that protect our interior floors and keep them clean. I could not recommend DImos enough, he is the best house professional I've ever had to fix anything!!

Very impressed with Delta T and Dimos’ service. Quick call back on a Sunday evening and prompt service the next day even it being the hottest day of the year when I’m sure he was quite busy. Dimos quickly diagnosed and corrected the issue with our A/C unit at a fair price. I would highly recommend for any and all HVAC services.

My wife and I were really impressed by Delta T's quick attention, professionalism, and service. Our AC was leaking liters of water the last couple of days during the Philadelphia hot season. Dimos (both the proprietor and person that actually does the work!) was quick to get back to us. He replied back in less than an hour from a 9am call on a Monday morning! Despite it being the busy season, he was adamant about getting out to us as soon as possible. He made it a point to swing by later that day in between other service calls. We were expecting +2-3 days to service, so his quick attention was a very happy surprise! Dimos quickly identified and rectified the issue - a plugged condensate drain. He also poked around the system to evaluate for any other issues and took the time to explain the nuances and upkeep of the system with me. He provided detail and service in excess of any expectation we had and his price was very fair. Moreover, he was very easy to communicate with and a bundle of positivity. We hope to utilize his service for regular spring and fall system checkups.

Dimos is the best! My AC broke today and it was 95 degrees. I called him and he was able to come, assess, and repair my unit within an hour. I will definitely use this company again for all my AC issues!