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Union City, CA

HVAC Contractors in Union City, CA

11 HVAC contractors in Union City, California, with Google ratings, hours and websites where the business has them.

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11 HVAC contractors serving Union City

Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

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11 of 11 shown. Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

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11 HVAC contractors serve Union City, CA. 3 are rated 4.5 or higher on Google and 2 have a perfect 5.0. 2 have a website.

Verified on Google
2
Average rating
4.6 / 5
Google reviews
52

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Page One Partner Research

How HVAC contractors in Union City compare

HVAC ContractorsUnion CityCAU.S.
Average Google rating (10+ reviews)—4.734.69
Median Google reviews81827
Reviews for the top quarter19+67+113+
Have a website18.2%53%60.1%

Businesses listed in our directory, not every business in the market. Updated September 2026. HVAC Contractors industry report · What is a good rating for HVAC contractors? · Best cities for HVAC contractors

From Page One Partner Research

  • In Union City, half of the HVAC contractors we list with reviews have 8 or fewer Google reviews, and 19+ puts one in the local top quarter (11 listed in our directory). HVAC Contractors industry report
  • A good Google rating for HVAC contractors: in our directory, the median is 4.8 and at least a quarter hold a perfect 5.0. Half of them have 27 or fewer reviews. What is a good rating for HVAC contractors?
  • California businesses in our directory average 4.52 stars on Google, ranking 22 of the 50 states we measured; 30.9% list no website. Ratings in every state

Quick answers

Who serves Union City?

Names and Google ratings, straight from each business's profile.

Which HVAC contractors serve Union City, CA?

11 HVAC contractors serve Union City, CA. First on the list: Lunar Air Systems (Verified, rated 4.9 on Google from 35 reviews), EZ Air Control (rated 5.0 on Google from 3 reviews) and Faith Furnace & Duct Cleaning Service, plus 8 more.

How many HVAC contractors serve Union City, CA, and how are they rated?

11 HVAC contractors serve Union City, California. 3 are rated 4.5 or higher on Google and 2 have a perfect 5.0. 2 have a website. ZIP codes covered: 94587.

Which HVAC contractors in Union City, CA have the most Google reviews?

Lunar Air Systems (35 reviews, rated 4.9) and Western Allied Mechanical (13 reviews, rated 3.6). Review counts are read from each business's Google Business Profile.

HVAC Contractors near Union City

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FAQ

Questions about Union City businesses

How businesses get here and how up to date everything is.

Yes. Page One Partner is a free directory of local service businesses across the United States. It costs nothing to search, and nothing for a business to be listed. Each profile is built from the business's public Google Business Profile, and an owner can claim, update or hide theirs at any time by contacting info@pageoneinsights.com.

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