78
StrongCosta Mesa, CA 92626 4.9(243 reviews)
HVACHeatingA/C
Costa Mesa, California · HVAC
HVAC contractors in Costa Mesa, CA
36 HVAC contractors in Costa Mesa, out of 37 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 36
- Avg. score
- 49.5
- Scored
- 24
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 36 HVAC contractors in Costa Mesa, California. Most-listed specialties: air conditioning (27), heating & furnaces (25), commercial (2). 24 have enough public signals for a Registry Score, averaging 49.5 out of 100; 3 score 70 or higher. Together they hold 2,887 public reviews on Google, Yelp and Facebook. The highest-scored is JustinTime Plumbing Heating and Air, at 81 out of 100. 9 are Featured for 2026. View JustinTime Plumbing Heating and Air.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Costa Mesa
66
Established63
EstablishedCosta Mesa, CA 92627 4.3(17 reviews)
HVACHeatingA/C
61
EstablishedCosta Mesa, CA 92626 4.2(17 reviews)
HVACA/C
51
EstablishedCosta Mesa, CA 92626 4.4(7 reviews)
HVACHeatingA/C
43
DevelopingShowing 1–20 of 36
81
StrongCosta Mesa, CA 92627 4.8(2,116 reviews)
HVACPlumbingHeating
78
StrongCosta Mesa, CA 92626 4.9(243 reviews)
HVACHeatingA/C
72
Strong67
Established66
Established66
EstablishedCosta Mesa, CA 92626 4.7(20 reviews)
HVACHeatingA/C
66
EstablishedCosta Mesa, CA 92627 4.2(87 reviews)
HVACPlumbingHeating
66
Established66
EstablishedCosta Mesa, CA 92626 4.3(12 reviews)
HVACPlumbingHeatingA/C
63
EstablishedCosta Mesa, CA 92627 4.3(17 reviews)
HVACHeatingA/C
61
EstablishedCosta Mesa, CA 92626 4.2(17 reviews)
HVACA/C
54
EstablishedCosta Mesa, CA 92626 3.9(2 reviews)
HVACPlumbingHeating
51
EstablishedCosta Mesa, CA 92626 4.4(7 reviews)
HVACHeatingA/C
47
DevelopingCosta Mesa, CA 92626 4.2(6 reviews)
HVACHeatingA/C
43
Developing42
Developing37
DevelopingCosta Mesa, CA 92627 4.4(6 reviews)
HVACPlumbingHeatingA/C
33
DevelopingCosta Mesa, CA 92627 4.3(3 reviews)
HVACPlumbingHeatingA/C
30
Developing30
DevelopingCosta Mesa, CA 92626
HVACHeatingA/C
HVAC contractors in Costa Mesa: at a glance
- How many HVAC contractors are in Costa Mesa, California?
- As of October 15, 2026, the ProComfort Registry lists 36 HVAC contractors in Costa Mesa, California.
- Who is the highest-scored HVAC contractor in Costa Mesa, California?
- By Registry Score, JustinTime Plumbing Heating and Air (Costa Mesa, CA) ranks first at 81 out of 100, among 24 scored businesses averaging 49.5. 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 Costa Mesa, California for 2026?
- ProComfort Registry features Klondike Air Conditioning & Heating, Basic Air, HVAC Services: Heating & Air Conditioning Care, Dependable Graham Air Conditioning Inc., Absolute Comfort Heating & Air Conditioning, AMP Mechanical. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC contractors in Costa Mesa, 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