1. GB Heating & Cooling

0

San Francisco, CA

GB Heating & Cooling

5.0 (13 reviews)
Closed • 8:00 am - 5:00 pm

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11 hours

Response rate

100%

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5 months ago

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1 year ago

Gena absolutely provides the best service in San Francisco! I was having a heating problem and his knowledge and grit saved the day!

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4 years ago

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Review Highlights - GB Heating & Cooling

“I have been a builder for 25 years in San Francisco and Gena is one of the best subs I have ever worked with.”

Mentioned in 12 reviews

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San Francisco Heating and Cooling

San Francisco Heating and Cooling

(186 reviews)

Outer Mission, Mission Terrace

My tenant thought maybe there was something wrong in the garage, where the furnace is in the house…read more She reported a burning smell and the co2 monitor alarm going off. I hadn't had the 25 year old furnace looked at in years and given the urgency, I called around to have someone come out same day. Carlos came out within 3 hours. Looked at the furnace, sent me pictures and called back. Explained that it was ok, he changed the filter, and gave me an estimate for replacing the furnace - but said it wasn't needed yet - and also mentioned that the exhaust pipe was at least 60 years old and no longer appropriate for modern furnaces. I appreciate Carlos giving me straight talk, not trying to convince me it needed immediate replacement and being able to come by same day.

I had an issue with my furnace and scheduled an appointment with Dennis and Pablo. I can't say…read moreenough good things about the experience! They were incredibly helpful, knowledgeable, and patient. After diagnosing the problem, they determined that the zoning board had blown and then walked me through the troubleshooting process step-by-step over the phone. What impressed me most was their expertise and willingness to help instead of immediately pushing for an expensive service call. They saved me a lot of money and a lot of stress. Dennis and Pablo are true professionals who clearly know their craft. If you're looking for honest, knowledgeable HVAC technicians, I highly recommend them. Thank you both for the outstanding service!

GB Heating & Cooling - hvac - Updated October 2026

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