# hvac contractors in Alton

2 hvac contractors near Alton, 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 2 by evidence.

| Trader | Location | Rating | Reviews | Named sources |
| --- | --- | --- | --- | --- |
| [Sal's Heating & Cooling Inc](https://us.mytrustedtraders.com/traders/sals-heating-cooling-inc) | N Royalton | 4.8/5 | 1,918 | Porch |
| [Atlas Electrical, Air Conditioning & Refrigeration and Plumbing Services, LLC](https://us.mytrustedtraders.com/traders/atlas-electrical-air-conditioning-refrigeration-an) | Alton | 3.7/5 | 3 | Porch |

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-contractors`.

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Source: MyTrustedTraders — https://us.mytrustedtraders.com/find/hvac-contractors/alton
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.