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 1–7 of 7
52
EstablishedSouth San Francisco, CA 94080 4.2(1 reviews)
HVACA/C
43
DevelopingSouth San Francisco, CA 94080 4.3(4 reviews)
HVACHeatingA/C
30
Developing8
Developing—
Not yet ratedSouth San Francisco, CA 94080
HVACHeatingA/C
—
Not yet ratedSouth San Francisco, CA 94080
HVACHeatingA/C
—
Not yet ratedSouth 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.