# Heating and air conditioning companies in New Hampshire

There are **871 heating and air conditioning companies** in New Hampshire (CityPreferred count, October 2026). Manchester has the most (49), then Nashua (46).

## New Hampshire cities

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

| City | Companies |
| --- | --- |
| Manchester | 49 |
| Nashua | 46 |
| Derry | 31 |
| Rochester | 26 |
| Salem | 26 |
| Laconia | 22 |
| Hudson | 21 |

## New Hampshire and the rest of the country

New Hampshire has 871 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 New Hampshire?

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

### Which New Hampshire city has the most?

Manchester, with 49, followed by Nashua with 46.

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

Last reviewed: 2026-10-01

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