78
StrongCosta Mesa, CA 92626 4.9(243 reviews)
HVACHeatingA/C
Costa Mesa, California · Air conditioning
Air conditioning contractors in Costa Mesa, CA
27 air conditioning contractors in Costa Mesa, out of 37 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 27
- Avg. score
- 48.2
- Scored
- 19
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 27 air conditioning contractors in Costa Mesa, California. Most-listed specialties: heating & furnaces (21). 19 have enough public signals for a Registry Score, averaging 48.2 out of 100; 2 score 70 or higher. Together they hold 679 public reviews on Google, Yelp and Facebook. The highest-scored is Klondike Air Conditioning & Heating, at 78 out of 100. 8 are Featured for 2026. View Klondike Air Conditioning & Heating.
Counts come straight from the Registry's records. How the Registry Score works
Featured air conditioning 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
Showing 1–20 of 27
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
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
51
EstablishedCosta Mesa, CA 92626 4.4(7 reviews)
HVACHeatingA/C
47
DevelopingCosta Mesa, CA 92626 4.2(6 reviews)
HVACHeatingA/C
42
Developing37
DevelopingCosta Mesa, CA 92627 4.4(6 reviews)
HVACPlumbingHeatingA/C
33
DevelopingCosta Mesa, CA 92627 4.3(3 reviews)
HVACPlumbingHeatingA/C
30
DevelopingCosta Mesa, CA 92626
HVACHeatingA/C
22
DevelopingCosta Mesa, CA 92626
HVACHeatingA/C
18
DevelopingCosta Mesa, CA 92627
HVACPlumbingHeatingA/C
18
Developing12
Developing—
Not yet ratedAir conditioning contractors in Costa Mesa: at a glance
- How many air conditioning contractors are in Costa Mesa, California?
- As of October 15, 2026, the ProComfort Registry lists 27 air conditioning contractors in Costa Mesa, California.
- Who is the highest-scored air conditioning contractor in Costa Mesa, California?
- By Registry Score, Klondike Air Conditioning & Heating (Costa Mesa, CA) ranks first at 78 out of 100, among 19 scored businesses averaging 48.2. 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. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are air conditioning 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: businesses whose public category or name points to air conditioning or cooling. Tags come from each business's public category and name, so a company can appear under several trades. Air conditioning contractors across the US