66
EstablishedSan Marcos, California
HVAC & Plumbing Pros in San Marcos, CA
6 businesses serve San Marcos. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.
- Pros
- 6
- Avg. score
- 62
- Featured
- 2
Featured · 2026
Featured in San Marcos
56
EstablishedSan Marcos, CA 92069 4.1(76 reviews)
HVACHeatingA/C
Showing 1–6 of 6
76
StrongSan Marcos, CA 92078 4.9(173 reviews)
PlumbingWater heaters
74
Strong66
EstablishedSan Marcos, CA 92079 4.8(43 reviews)
HVACHeatingA/C
56
EstablishedSan Marcos, CA 92069 4.1(76 reviews)
HVACHeatingA/C
38
Developing—
Not yet ratedSan Marcos at a glance
- How many HVAC and plumbing companies are in San Marcos, CA?
- The ProComfort Registry lists 6 heating, cooling and plumbing businesses serving San Marcos: 5 offering HVAC and 1 offering plumbing (some do both).
- What is the average Registry Score in San Marcos?
- Rated companies in San Marcos average 62 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 Marcos for 2026?
- ProComfort Registry features Curley's Home Services, Champion Air Conditioning & Heating in San Marcos. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are San Marcos companies ranked?
- By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.