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24 companies listed · 16 in Oakland · 5 open 24/7 · 14 open weekends · 21 rated 4.5+
Data verified October 15, 2026
The 24 companies listed for Oakland, CA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Of the 24 companies we list here, 16 are in Oakland itself and 8 come from towns including Berkeley (2, 7 mi), San Francisco (2, 13 mi) and San Jose (2, 39 mi). The companies on this page are rated from 4.2 to 5.0 across 6,163 reviews; 11 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (89%), responsiveness (78%) and quality (75%). 5 are open around the clock; 14 are open on Saturdays and 8 on Sundays. The services the companies on this page list most often on their websites are heating (3), air conditioning (2), hvac services (2) and indoor air quality (2). 11 show a license on their websites; 1 lists staff certifications (EPA) and 6 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 93 years. 5 offer emergency call-outs; 3 offer financing or payment plans; 10 give free estimates; 7 are family- or locally-owned and 4 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Saturday or Sunday hours show up for 14 of the 24 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
