63
EstablishedSan Francisco, CA 94124 4.2(91 reviews)
HVACPlumbingCommercial
San Francisco, California · Commercial
Commercial HVAC & plumbing contractors in San Francisco, CA
14 commercial HVAC & plumbing contractors in San Francisco, out of 353 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 14
- Avg. score
- 38.8
- Scored
- 12
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 14 commercial HVAC & plumbing contractors in San Francisco, California. Most-listed specialties: air conditioning (5), heating & furnaces (3). 12 have enough public signals for a Registry Score, averaging 38.8 out of 100; none scores 70 or higher. Together they hold 232 public reviews on Google, Yelp and Facebook. The highest-scored is Malcolm Plumbing & Mechanical, at 63 out of 100. 4 are Featured for 2026. View Malcolm Plumbing & Mechanical.
Counts come straight from the Registry's records. How the Registry Score works
Showing 1–14 of 14
52
EstablishedSan Francisco, CA 94124 3.9(8 reviews)
HVACCommercial
51
EstablishedSan Francisco, CA 94601 4.6(46 reviews)
HVACHeatingA/CCommercial
48
DevelopingSan Francisco, CA 94124 3.9(3 reviews)
HVACA/CCommercial
42
DevelopingSan Francisco, CA 94103 4.4(5 reviews)
HVACPlumbingCommercial
41
DevelopingSan Francisco, CA 94124 3.9(2 reviews)
HVACPlumbingCommercial
38
DevelopingSan Francisco, CA 94124 3.9(1 reviews)
HVACCommercial
37
DevelopingSan Francisco, CA 94116 4.5(75 reviews)
HVACHeatingA/CCommercial
36
DevelopingSan Francisco, CA 94124 4.2(1 reviews)
HVACCommercial
28
Developing22
Developing8
Developing—
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Not yet ratedCommercial HVAC & plumbing contractors in San Francisco: at a glance
- How many commercial HVAC & plumbing contractors are in San Francisco, California?
- As of October 15, 2026, the ProComfort Registry lists 14 commercial HVAC & plumbing contractors in San Francisco, California.
- Who is the highest-scored commercial HVAC or plumbing contractor in San Francisco, California?
- By Registry Score, Malcolm Plumbing & Mechanical (San Francisco, CA) ranks first at 63 out of 100, among 12 scored businesses averaging 38.8. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- How are commercial HVAC & plumbing contractors in San Francisco, California ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to commercial, industrial or mechanical contracting. Tags come from each business's public category and name, so a company can appear under several trades. Commercial HVAC & plumbing contractors across the US