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Delta T Heating & Cooling LLC

★★★★★ 5.0/5 (73 reviews)
925 Dickinson St, Philadelphia, PA 19147 (215) 776-4447 Website
Delta T Heating & Cooling LLC Delta T Heating & Cooling LLC Delta T Heating & Cooling LLC Delta T Heating & Cooling LLC

Reviews (73)

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Joseph Remy
★★★★★ Jan 20, 1970

We have had a great experience with Dimos and Delta T. Dimos is very professional, transparent and has fair pricing. Will be using Delta T for all of our future HVAC needs.

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Scena Nayak
★★★★★ Jan 20, 1970

I highly recommend Delta T Heating & Cooling for any HVAC needs. My A/C stopped working during a recent heatwave and I reached out to the owner, Dimos, to see if he could help. He made time in his busy schedule and came the next day for a service visit. Dimos quickly diagnosed the problem and fixed it. He also serviced my entire cooling system to make sure it was performing efficiently. Throughout his visit, Dimos walked me through what he was doing and answered all of my questions with great detail. I am very happy with experience using Delta T Heating & Cooling.

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marlene marcinkowski
★★★★★ Jan 20, 1970

This was our first time using this service and we were more than pleased. Dimos was a true professional. He responded to me immediately and accommodating. If you aren’t using them you are crazy. We are so happy we found them. I can now say that I’ve got a HVAC guy. Thank you so much.

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Becca Freer
★★★★★ Jan 20, 1970

Delta T is one of those special companies: responsive, knowledgeable, and trustworthy. As new a new homeowner, Dimos has helped improve my house's heating and cooling -- and educate me in the process. He explains what's happening, shares his expertise, and offers a fair and reasonable price. We're happy to work with him!

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Richard Nuth
★★★★★ Jan 20, 1970

Super fast and responsive. I gave them my information and they came to look at my gas furnace within 2 hours and fixed my heating problem in about 20 minutes. Great pricing and extremely knowledgeable. When I have HVAC problems I know who to call!

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Lauren Oleckna
★★★★★ Jan 20, 1970

Dimos and Delta T are the best! We had an emergency at our home and reached out to Delta T for help. Dimos was quick to respond, made time to come to our home that day, thoroughly explained everything and was able to arrange to have our problematic unit replaced the next day. Dimos is professional, courteous, efficient and extremely knowledgeable. You can tell he really cares about his work and clients. I would highly recommend them.

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colleen donnelly
★★★★★ Jan 20, 1970

I highly recommend Dimos and Delta T. I first used him for an A/C repair and was impressed with his responsiveness, professionalism and attention to detail. I have since used him for other repairs and servicing. He provides a detailed assessment and is not aggressive in selling additional work; however, I have completed all of his recommended work as I have found him to be trustworthy and fair.

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Francesca Prieto
★★★★★ Jan 20, 1970

Amazing at what he does! Highly recommend.

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Geoffrey Graham
★★★★★ Jan 20, 1970

I had a great experience with calling and getting Dimos out the same day. He even prioritized us as we had no heat. We had issues with our old boiler and Dimos walked me through the issues and helped repair instead of trying to up sell me immediately on an upgrade. The total repair cost/consult cost was $745 for a new thermostat, thermocouple, diagnostic and cleaning, this total visit took around 2 hours. Thanks Dimos!

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KATHLEEN CULLINAN
★★★★★ Jan 20, 1970

Delta T is an excellent HVAC contractor. The owner is very knowledgeable, professional, honest and reliable. I highly recommend this company for any HVAC repairs or installations.

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Alicia Rouault
★★★★★ Jan 20, 1970

Very positive experience with this company - Dimos is courteous, explains how systems work and clearly knows what he’s doing. Repaired and maintained our two furnaces and hot water heater after we moved into a new (older) home. Prices were reasonable and it was very easy to schedule an appointment. Would happily refer him to any friend.

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Paul Lench
★★★★★ Jan 20, 1970

Very professional and courteous service. So glad we found Delta T!

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lisa johnson-cook
★☆☆☆☆ Jan 20, 1970

Un able to talk to anyone. They have been attempting to do work on my central air unit and they are not professional at this point.

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KC C
★★★★★ Jan 20, 1970

Ditmos provided great service. He kept me informed of each step he was undertaking and he showed up on time and completed the work in a very timely fashion. Would highly recommend.

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Rit Huybrechts
★★★★★ Jan 20, 1970

I highly recommend Delta T Heating and Cooling. Communication with Dimos was easy and efficient. He assessed the issue with our non functioning AC, gave us an accurate quote, and came out with his team to repair the system as soon as he could. Throughout the process he clearly explained what was going on and kept us informed. I’m convinced we have found a company that we will work with for years to come.

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Theresa Cox
★★★★★ Jan 20, 1970

I would definitely use this company again. They came out the same day to fix my HVAC system.

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Barbara Oldenhoff
★★★★★ Jan 20, 1970

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

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levoo83
★★★★★ Jan 20, 1970

Dimos was very professional and direct with his approach and communication. He had to come couple times since our issue was a little bit complicated because of an improper AC system installation from previous contractor. We had almost brand new AC system (3 years old) and compressor was not working. He explained us that compressor should not go bad within couple years and he had to investigate the root cause. He walked us through every step of the fix and figured out the potential issues thAt might have impacted the compressor. He changed the compressor and added filter and metering device which were not installed by the contractor who initially installed the system. Finally we have a working AC again. I highly recommend Delta T to everyone for any HVAC work. I will be using them for my HVAC regular maintenance as well.

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Eugene Braude
★★★★★ Jan 20, 1970

I almost never post reviews but Dimos has been fantastic and I recommend him without reservation. The first time he helped out, we had just moved to a new house in the middle of a hot summer and the air conditioner went out. He came promptly, diagnosed the issue thoroughly, and fixed it on the spot. The second time, we had noticed a few potential problems with our heating units. He was extremely thorough, explained what he was seeing, gave options and pricing up front, fixed what needed to be fixed, and gave us confidence that the units were in good working order with a detailed report.

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Tyler Higgins
★★★★★ Jan 20, 1970

I couldn’t be happier with the service and professionalism of Delta T. Dimos responded super quickly to an emergency heat failure and diagnosed the problem right away. He was upfront and honest about expectations and the cost of the repair. After ordering the part, he squeezed us in as soon as he could the following day and had our heat back up and running about as quickly as realistically possible. I will 100% be using DeltaT for my HVAC tuneups and repairs going forward.

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