66
EstablishedFontana, California · Air conditioning
Air conditioning contractors in Fontana, CA
19 air conditioning contractors in Fontana, out of 24 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 19
- Avg. score
- 54
- Scored
- 15
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 19 air conditioning contractors in Fontana, California. Most-listed specialties: heating & furnaces (12), commercial (1). 15 have enough public signals for a Registry Score, averaging 54 out of 100; 4 score 70 or higher. Together they hold 1,645 public reviews on Google, Yelp and Facebook. The highest-scored is A&G Air Conditioning Services, at 86 out of 100. 2 are Featured for 2026. View A&G Air Conditioning Services.
Counts come straight from the Registry's records. How the Registry Score works
Featured air conditioning contractors in Fontana
65
EstablishedShowing 1–19 of 19
86
Exceptional81
StrongFontana, CA 92336 4.6(981 reviews)
HVACPlumbingHeatingA/C
81
Strong77
Strong66
Established65
EstablishedFontana, CA 92316 4.4(33 reviews)
HVACHeatingA/C
62
EstablishedFontana, CA 92335 4.5(8 reviews)
HVACHeatingA/C
59
Established58
Established53
Established45
DevelopingFontana, CA 92336 4.2(2 reviews)
HVACHeatingA/CCommercial
39
DevelopingFontana, CA 92335 4.2(67 reviews)
HVACHeatingA/C
28
Developing8
Developing2
Developing—
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Not yet ratedAir conditioning contractors in Fontana: at a glance
- How many air conditioning contractors are in Fontana, California?
- As of October 14, 2026, the ProComfort Registry lists 19 air conditioning contractors in Fontana, California.
- Who is the highest-scored air conditioning contractor in Fontana, California?
- By Registry Score, A&G Air Conditioning Services (Fontana, CA) ranks first at 86 out of 100, among 15 scored businesses averaging 54. 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 Fontana, California for 2026?
- ProComfort Registry features Garcias Air Conditioning, Straight Forward Heating & Air. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are air conditioning contractors in Fontana, 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