85
ExceptionalSouth San Francisco, California
HVAC & Plumbing Pros in South San Francisco, CA
24 businesses serve South San Francisco. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.
- Pros
- 24
- Avg. score
- 56.6
- Featured
- 4
Featured · 2026
Featured in South San Francisco
74
Strong51
EstablishedSouth San Francisco, CA 94080 4.5(9 reviews)
HVACHeating
30
DevelopingShowing 1–11 of 11
78
StrongSouth San Francisco, CA 94080 4.9(3,973 reviews)
HVACPlumbingHeating
64
Established61
Established51
EstablishedSouth San Francisco, CA 94080 4.5(9 reviews)
HVACHeating
43
DevelopingSouth San Francisco, CA 94080 4.3(4 reviews)
HVACHeatingA/C
8
Developing—
Not yet rated—
Not yet rated—
Not yet ratedSouth San Francisco, CA 94080
HVACHeatingA/C
—
Not yet rated—
Not yet ratedSouth San Francisco, CA 94080
HVACHeatingA/C
South San Francisco at a glance
- How many HVAC and plumbing companies are in South San Francisco, CA?
- The ProComfort Registry lists 24 heating, cooling and plumbing businesses serving South San Francisco: 20 offering HVAC and 6 offering plumbing (some do both).
- What is the average Registry Score in South San Francisco?
- Rated companies in South San Francisco average 56.6 out of 100. 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 South San Francisco for 2026?
- ProComfort Registry features Rmi Mechanical Contractors, Smelly Mels Plumbing Inc, Peninsula Heating By Joseph Byrne, C & C Building Automation in South San Francisco. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are South San Francisco companies ranked?
- By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.