85
ExceptionalOakland, CA 94621 4.7(685 reviews)
HVACHeatingA/C
Oakland, California · HVAC
HVAC contractors in Oakland, CA
123 HVAC contractors in Oakland, out of 136 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 123
- Avg. score
- 42
- Scored
- 83
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 123 HVAC contractors in Oakland, California. Most-listed specialties: heating & furnaces (76), air conditioning (64), ductwork & IAQ (13), refrigeration (7). 83 have enough public signals for a Registry Score, averaging 42 out of 100; 8 score 70 or higher. Together they hold 5,658 public reviews on Google, Yelp and Facebook. The highest-scored is Capital Heating & Air Conditioning, at 85 out of 100. 17 are Featured for 2026. View Capital Heating & Air Conditioning.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Oakland
81
StrongOakland, CA 94612 4.9(537 reviews)
HVACRefrigeration
81
Strong78
StrongOakland, CA 94608 4.8(910 reviews)
HVACHeatingA/C
75
StrongShowing 1–20 of 123
85
ExceptionalOakland, CA 94621 4.7(685 reviews)
HVACHeatingA/C
81
StrongOakland, CA 94612 4.9(537 reviews)
HVACRefrigeration
81
Strong78
StrongOakland, CA 94608 4.8(910 reviews)
HVACHeatingA/C
76
StrongOakland, CA 94611 4.8(116 reviews)
HVACHeatingA/C
75
Strong74
StrongOakland, CA 94621 4.6(27 reviews)
HVACHeatingA/CRefrigeration
70
StrongOakland, CA 94611 4.7(75 reviews)
HVACPlumbingHeating
68
Established68
EstablishedOakland, CA 94621 4.6(38 reviews)
HVACHeatingA/C
68
EstablishedOakland, CA 94611 4.5(17 reviews)
HVACHeatingA/C
67
Established66
EstablishedOakland, CA 94607 4.5(18 reviews)
HVACPlumbingHeating
61
Established59
EstablishedOakland, CA 94621 4.8(95 reviews)
HVACPlumbingHeating
59
EstablishedOakland, CA 94601 4.4(194 reviews)
HVACHeatingCommercial
58
EstablishedOakland, CA 94608 4.2(65 reviews)
HVACHeatingA/C
58
EstablishedOakland, CA 94619 4.1(29 reviews)
HVACHeatingA/C
57
Established57
EstablishedOakland, CA 94618 4.3(4 reviews)
HVACHeatingA/C
HVAC contractors in Oakland: at a glance
- How many HVAC contractors are in Oakland, California?
- As of October 15, 2026, the ProComfort Registry lists 123 HVAC contractors in Oakland, California.
- Who is the highest-scored HVAC contractor in Oakland, California?
- By Registry Score, Capital Heating & Air Conditioning (Oakland, CA) ranks first at 85 out of 100, among 83 scored businesses averaging 42. 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 Oakland, California for 2026?
- ProComfort Registry features Capital Heating & Air Conditioning, General Refrigeration Services Co, Hvac Oren's Services, Atlas Heating and Air Conditioning, Ramírez Duct Cleaning. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC contractors in Oakland, 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: heating, ventilation and air conditioning businesses (furnaces, heat pumps, A/C, climate control). Tags come from each business's public category and name, so a company can appear under several trades. HVAC contractors across the US