61
EstablishedSan Mateo, California
HVAC & Plumbing Pros in San Mateo, CA
12 businesses serve San Mateo. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.
- Pros
- 12
- Avg. score
- 52
- Featured
- 4
Featured · 2026
Featured in San Mateo
49
Developing49
Developing48
DevelopingShowing 1–7 of 7
72
StrongSan Mateo, CA 94403 4.8(58 reviews)
HVACHeatingA/C
63
Established61
EstablishedSan Mateo, CA 94402 4.5(12 reviews)
HVACHeatingA/C
49
Developing48
Developing8
Developing—
Not yet ratedSan Mateo at a glance
- How many HVAC and plumbing companies are in San Mateo, CA?
- The ProComfort Registry lists 12 heating, cooling and plumbing businesses serving San Mateo: 12 offering HVAC and 0 offering plumbing (some do both).
- What is the average Registry Score in San Mateo?
- Rated companies in San Mateo average 52 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 San Mateo for 2026?
- ProComfort Registry features Ace Heating & Air Conditioning, Air Temp, JC HVAC Service, Jimenez Hydronics in San Mateo. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are San Mateo companies ranked?
- By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.