Data
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).
Reviewed October 1, 2026
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New Hampshire cities
| 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.
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.
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.