# Heating and air conditioning companies in Idaho

There are **965 heating and air conditioning companies** in Idaho (CityPreferred count, October 2026). Boise has the most (137), then Nampa (83).

## Idaho cities

**Heating and air conditioning companies in Idaho by city, October 2026**

| City | Companies |
| --- | --- |
| Boise | 137 |
| Nampa | 83 |
| Meridian | 81 |
| Idaho Falls | 61 |
| Caldwell | 42 |
| Pocatello | 38 |
| Twin Falls | 34 |
| Post Falls | 32 |
| Coeur D'alene | 21 |
| Hayden | 20 |
| Garden City | 20 |
| Rigby | 20 |

## Idaho and the rest of the country

Idaho has 965 of the 169,801 heating and air conditioning companies in the country (1%). [All states](https://citypreferred.com/data/hvac).

## What is counted

Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. [How we count](https://citypreferred.com/data-methodology).

## Questions and answers

### How many heating and air conditioning companies are there in Idaho?

965, by CityPreferred's count as of October 2026.

### Which Idaho city has the most?

Boise, with 137, followed by Nampa with 83.

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Canonical page: https://citypreferred.com/data/hvac/id

Last reviewed: 2026-10-01

Publisher: CityPreferred (https://citypreferred.com)