# HVAC contractors in Fullerton

3 hvac contractors near Fullerton, ranked by the strength of independent public evidence (reviews, verified credentials and registry data cross-checked across named sources — no ads, no paid placement). Below are the top 3 by evidence.

| Trader | Location | Rating | Reviews | Named sources |
| --- | --- | --- | --- | --- |
| [American Air Heating And Air Conditioning](https://us.mytrustedtraders.com/traders/american-air-heating-and-air-conditioning-2) | Fullerton | — | 0 | Angi |
| [Horton's Heating & Air Conditioning](https://us.mytrustedtraders.com/traders/hortons-heating-air-conditioning) | Fullerton | 5.0/5 | 16 | Porch |
| [Simpson Heating Air Conditioning Repair](https://us.mytrustedtraders.com/traders/simpson-heating-air-conditioning-repair) | Fullerton, CA | 5.0/5 | 4 | MerchantCircle |

Each trader's full public-evidence record is at its profile URL (append `/md` for a Markdown version). See all hvac contractors in the United States at `https://us.mytrustedtraders.com/find/hvac`.

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Source: MyTrustedTraders — https://us.mytrustedtraders.com/find/hvac/fullerton
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.