84
StrongSan Francisco, California · Heating & furnaces
Heating & furnace contractors in San Francisco, CA
194 heating & furnace contractors in San Francisco, out of 353 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 194
- Avg. score
- 40.2
- Scored
- 125
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 194 heating & furnace contractors in San Francisco, California. Most-listed specialties: air conditioning (142), ductwork & IAQ (9), refrigeration (4), commercial (3). 125 have enough public signals for a Registry Score, averaging 40.2 out of 100; 12 score 70 or higher. Together they hold 8,140 public reviews on Google, Yelp and Facebook. The highest-scored is Modern Plumbing & Heating, at 86 out of 100. 34 are Featured for 2026. View Modern Plumbing & Heating.
Counts come straight from the Registry's records. How the Registry Score works
Featured heating & furnace contractors in San Francisco
82
StrongCabrillo Plumbing Heating & Air
FeaturedSan Francisco, CA 94124 4.7(1,129 reviews)
HVACPlumbingHeating
81
StrongShowing 1–20 of 194
86
Exceptional86
ExceptionalSan Francisco, CA 94110 5.0(421 reviews)
HVACPlumbingHeating
84
StrongSan Francisco, CA 94103 4.9(438 reviews)
HVACHeatingA/C
82
StrongSan Francisco, CA 94124 4.7(1,129 reviews)
HVACPlumbingHeating
81
Strong80
Strong79
StrongSan Francisco, CA 94110 4.8(481 reviews)
HVACHeatingA/C
79
StrongSan Francisco, CA 94114 4.8(921 reviews)
HVACHeatingA/C
75
StrongSan Francisco, CA 94115 4.9(123 reviews)
HVACHeatingA/C
74
StrongSan Francisco, CA 94112 4.8(263 reviews)
HVACPlumbingHeating
73
StrongSan Francisco, CA 94102 4.6(172 reviews)
HVACHeatingA/C
72
StrongSan Francisco, CA 94112 4.7(230 reviews)
HVACHeatingA/CDucts
69
EstablishedSan Francisco, CA 94111 4.9(80 reviews)
HVACHeating
68
EstablishedSan Francisco, CA 94102 4.6(95 reviews)
HVACHeatingA/C
68
EstablishedSan Francisco, CA 94122 4.8(42 reviews)
HVACHeating
65
EstablishedSan Francisco, CA 94108 4.8(31 reviews)
HVACHeatingDucts
65
EstablishedSAN FRANCISCO, CA 94112 4.5(19 reviews)
HVACPlumbingHeating
64
EstablishedSan Francisco, CA 94112 4.8(320 reviews)
HVACHeating
63
EstablishedSan Francisco, CA 94114 4.0(272 reviews)
HVACHeatingA/C
63
EstablishedHeating & furnace contractors in San Francisco: at a glance
- How many heating & furnace contractors are in San Francisco, California?
- As of October 15, 2026, the ProComfort Registry lists 194 heating & furnace contractors in San Francisco, California.
- Who is the highest-scored heating contractor in San Francisco, California?
- By Registry Score, Modern Plumbing & Heating (San Francisco, CA) ranks first at 86 out of 100, among 125 scored businesses averaging 40.2. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- Which companies are featured in San Francisco, California for 2026?
- ProComfort Registry features Mason Heating & Air Conditioning, Cabrillo Plumbing Heating & Air, Kohler Heating. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are heating & furnace 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 heating: furnaces, boilers, heat pumps or radiant heat. Tags come from each business's public category and name, so a company can appear under several trades. Heating & furnace contractors across the US