80
StrongSan Diego, CA 92126 4.6(229 reviews)
HVACA/CCommercial
San Diego, California · Commercial
Commercial HVAC & plumbing contractors in San Diego, CA
21 commercial HVAC & plumbing contractors in San Diego, out of 400 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 21
- Avg. score
- 46.7
- Scored
- 19
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 21 commercial HVAC & plumbing contractors in San Diego, California. Most-listed specialties: heating & furnaces (9), air conditioning (9), ductwork & IAQ (2), drains & sewer (1). 19 have enough public signals for a Registry Score, averaging 46.7 out of 100; 1 scores 70 or higher. Together they hold 682 public reviews on Google, Yelp and Facebook. The highest-scored is A/C Mechanical Sol Inc, at 80 out of 100. 6 are Featured for 2026. View A/C Mechanical Sol Inc.
Counts come straight from the Registry's records. How the Registry Score works
Showing 1–20 of 21
69
Established68
EstablishedSan Diego, CA 92119 4.8(59 reviews)
HVACHeatingA/CCommercial
66
Established60
EstablishedSan Diego, CA 92120 3.9(176 reviews)
HVACPlumbingCommercial
57
EstablishedSan Diego, CA 92123 4.3(13 reviews)
HVACA/CCommercial
56
Established53
Established50
Established49
Developing48
Developing46
DevelopingSan Diego, CA 92117 3.9(1 reviews)
HVACCommercial
38
DevelopingSan Diego, CA 92129 4.1(9 reviews)
HVACHeatingA/CDucts
32
Developing27
Developing25
Developing25
Developing22
DevelopingSan Diego, CA 92101 4.2(1 reviews)
HVACPlumbingHeatingA/C
16
Developing—
Not yet ratedCommercial HVAC & plumbing contractors in San Diego: at a glance
- How many commercial HVAC & plumbing contractors are in San Diego, California?
- As of October 14, 2026, the ProComfort Registry lists 21 commercial HVAC & plumbing contractors in San Diego, California.
- Who is the highest-scored commercial HVAC or plumbing contractor in San Diego, California?
- By Registry Score, A/C Mechanical Sol Inc (San Diego, CA) ranks first at 80 out of 100, among 19 scored businesses averaging 46.7. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- How are commercial HVAC & plumbing contractors in San Diego, California ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to commercial, industrial or mechanical contracting. Tags come from each business's public category and name, so a company can appear under several trades. Commercial HVAC & plumbing contractors across the US