70
StrongSunnyvale, California
HVAC & Plumbing Pros in Sunnyvale, CA
15 businesses serve Sunnyvale. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.
- Pros
- 15
- Avg. score
- 45.5
- Featured
- 5
Featured · 2026
Featured in Sunnyvale
57
Established48
Developing47
Developing30
DevelopingNo pros match those filters
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Know a business we're missing? Add it →Sunnyvale at a glance
- How many HVAC and plumbing companies are in Sunnyvale, CA?
- The ProComfort Registry lists 15 heating, cooling and plumbing businesses serving Sunnyvale: 13 offering HVAC and 2 offering plumbing (some do both).
- What is the average Registry Score in Sunnyvale?
- Rated companies in Sunnyvale average 45.5 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 Sunnyvale for 2026?
- ProComfort Registry features Grumpy's HVAC, Convectek Heating and Cooling, RTD Mechanical, A & A Plumbing, Balcom Heating & Air in Sunnyvale. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are Sunnyvale companies ranked?
- By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.