Home › Home Improvement › HVAC contractor
The 10 Best HVAC Contractors in San Francisco (2026)
This list ranks San Francisco HVAC contractors using Google review data, updated for 2026. We apply a Bayesian-style weighting so businesses with high ratings and substantial review counts rise to the top, balancing quality and sample size. San Francisco’s diverse housing stock and microclimates mean heating and cooling needs vary block to block, from older multiunit buildings to modern condos. That makes reliable contractors especially important here, whether you need routine maintenance, repairs, or system advice. Below are the ten highest-scoring firms on Google for the HVAC contractor category in the city.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
Are you a HVAC contractor in San Francisco?
People reading this page are looking for a pro right now. Put your business above the ranking, with your contact details and a link to your site.
✓ Live immediately · ✓ One-time payment · ✓ No subscription
10 of 10 spots still available
Heating And Air Experts
Heating And Air Experts tops our list thanks to a perfect 5.0 Google rating combined with 802 reviews, giving it the strongest weighted score in our dataset. Its high score reflects both a flawless average and substantial review volume, which our method favors. As an HVAC contractor listed on Google, it stands out among peers in San Francisco’s competitive field.
The full ranking
Magic Plumbing Heating & Cooling
Magic Plumbing Heating & Cooling is listed as an HVAC contractor with a 4.9 Google rating from 1,931 reviews. Its high review volume gives it strong presence in the local market.
1931 reviews
Cabrillo Plumbing, Heating & Air
Cabrillo Plumbing, Heating & Air carries a 4.9 rating on Google backed by 1,187 reviews and appears under the HVAC contractor category. The business shows a substantial number of customer ratings.
1187 reviews
Freon HVAC & Electrical Service – San Francisco
Freon HVAC & Electrical Service – San Francisco has a 5.0 Google rating from 42 reviews and is listed as an HVAC contractor. Its smaller review count is still notable for a perfect score.
42 reviews
San Francisco Expert Heating and Air
San Francisco Expert Heating and Air posts a 4.9 Google rating based on 67 reviews, appearing in the HVAC contractor category. The listing shows a modest but positive review record.
67 reviews
Next HVAC and Appliance repair
Next HVAC and Appliance repair holds a 4.8 Google rating with 375 reviews and is categorized as an HVAC contractor. It represents a mid-sized presence by review count in the city.
375 reviews
Acosta Heating & Sheet Metal
Acosta Heating & Sheet Metal has a 5.0 Google rating from 20 reviews and is listed as an HVAC contractor. While the review total is small, the rating is faultless.
20 reviews
Mitch & Sons HVAC
Mitch & Sons HVAC appears with a 4.9 Google rating and 37 reviews, categorized under HVAC contractor. The listing reflects a high average score alongside a limited number of reviews.
37 reviews
Inner Sunset Top Heating and Air
Inner Sunset Top Heating and Air shows a 4.9 Google rating from 33 reviews and is listed in the Contractor category. The name indicates a neighborhood focus while the Google category is broader.
33 reviews
Best AC Service San Francisco
Best AC Service San Francisco carries a 5.0 Google rating based on 12 reviews and is listed as an HVAC contractor. It posts a perfect average but from a relatively small review sample.
12 reviews
Frequently asked questions
How should I choose an HVAC contractor in San Francisco?
Look for a combination of strong verified reviews, appropriate licensing and insurance, and clear communication about scope and timeline. Check that the contractor has experience with your type of property and ask for references or photos of past work.
What should I check before hiring an HVAC contractor?
Confirm the contractor’s license number and insurance, get a written estimate that breaks down parts and labor, and ask about warranties or guarantees. Also verify whether permits will be required for the work and who will obtain them.
How much does HVAC work typically cost in San Francisco?
Costs vary widely based on the job: a simple service visit is much less than a major repair or system replacement. Get multiple detailed estimates and compare scope, parts quality, and labor hours rather than choosing solely on price.
How was this ranking created and updated?
This ranking is based on Google review ratings and review counts, using a Bayesian-style weighting to balance average score with number of reviews. The list was updated for 2026 to reflect current Google data and to reduce the effect of outliers from very small sample sizes.