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DG Heating & Air Conditioning HVAC Contractor

The weather in San Jose can be unpredictable. The temperature and comfort of your home shouldn't be. We are DG Heating & Air Conditioning, a San Jose heating and AC service company that offers solutions for both homes and businesses. From small repairs to major installations, our trained, educated, and experienced technicians can handle any problem you encounter with your HVAC system. In addition to heating and AC services, we also provide indoor air quality services, duct removal and replacement, ductless mini-split installations, and solar services. We provide custom HVAC solutions for any size project and will guide you through the process from start to finish!

Website: dgheatingandair.com

Phone: (408) 201-9411

Cross Streets: Near the intersection of Commercial St and Berryessa Rd

Interested in our services?

Closed now

  • Wed 8:00 AM - 4:00 PM

1040 Commercial St San Jose, CA 95112 ·2322.92 mi

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Reviews

yelp
4.5 335 reviews
5 star
300 4 star
8 3 star
2 2 star
7 1 star
18
Hanson J. 09/22/26

Our condensate pump needed replacement, and DG was prompt and professional. Their technician came on time, completed the repair efficiently, and noticed a problem with the condensate line being...

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Nancy H. 07/29/26

Antonio came this morning as my AC was not cooling. I had to wait about a week because they were very booked. He fixed my unit quickly and it was not expensive. I am so happy about that. By...

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bob j. 07/22/26

Another 5 star for DG! Had 21-year-old furnace replaced. John and Bill worked on the quote quickly and gave me a competitive price and scheduled install. Giovanny and Mardo arrived on time and got...

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Matthew A. 05/14/25

I talked to Jim to get a quote on upgrading from gas to heat pump AC. I live in a Manufactured Home and I don't have many Amps of electricity going to my unit. Jim came and looked at my setup....

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Edna M. 04/16/26

Andres is the absolute best. He is truly the best at the best heating and ac company in our area. He is knowledgeable, trustworthy, very bright and with a wonderful work ethic. I cannot imagine...

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