The 10 best-rated geothermal heating contractors in Antioch, CA average 4.9★ on Google across 8,583 reviews. Energy Solutions has the top rating (5.0★), and Hometown Heating and Air Conditioning has the most reviews (2,769). Updated October 26, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (8,583 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Diagnosed my issue with my furnace . They ordered the parts, set a repair date, and then fixed the problem. Everything works. Price is to be expected for repairs on any hvac systems these days. In our case we needed…” — Google review
“They came out and did an estimate of my ac system and was truthful and honest. He gave solutions to an insane heat problem in my house. Although the work that needs to be done wasn’t necessarily where he could assist…” — Google review
“Don was awesome. He found the tiny pebble in my garbage disposal that I could find. He then went on the roof and worked his magic. The tub and toilets were backing up. When he finished he was excited that he found…” — Google review
“Air Synergy installed our heat pump/Harvest System. Shaun performed the annual maintenance, did a thorough job of checking and cleaning and explaining what he did with patience.” — Google review
“Colton arrived on time, kept us updated to his progress, and returned with a new part and filter for our HVAC system. He checked out both our heating and air-conditioning, changed our filters, one of which was up in…” — Google review
“Jordan Daley provided Great service and excellent listening skills. Had maintenance done before two year warranty expired as had a minor concern explained to Jordan. He understood, diagnosed and rescheduled to do…” — Google review
“Tyndall HVAC has been a good company to work with. Our split unit was low on refrigerant. Came out filled it, looked for a leak. Will return to replace that.” — Google review
“What a wonderful guy Will is! He is honest, trustworthy and comfortable to be around! He went above and beyond! Kept us informed the entire time. He is very knowledgeable in his trade. Since changing out or system…” — Google review
“These guys do AMAZING WORK!!! Highest quality staff, quickest response times, and very reasonable prices! Highly Recommend!” — Google review
“ProXGen Heating and Air installed my new A/C and furnace last week. Luis and his team were very professional and extremely efficient. Luis upgraded the A/C for me because of my high ceilings, at an amazing price. All…” — Google review
We scan Google Maps for geothermal heating contractor listings in and around Antioch, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Energy Solutions has the highest Google rating on our Antioch list: 5.0 out of 5 from 69 reviews (as of October 26, 2026).
Hometown Heating and Air Conditioning has the most Google reviews among the companies listed here: 2,769, with a 4.9★ average.
Only open Antioch-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
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