HVAC in New Hampshire

23 HVAC contractors in 18 cities and towns. Heating, ventilation, air conditioning and refrigeration installers and service companies, including rooftop units and service agreements. Facilities usually schedule them at least twice a year, before cooling and heating seasons.

How Many HVAC Contractors Are in New Hampshire?

We list 23 HVAC contractors in New Hampshire, across 18 {cities.length === 1 ? 'city' : 'cities and towns'}; the most are in Manchester (5), Exeter (2), Nashua (1). Facilities usually schedule HVAC contractors at least twice a year, before cooling and heating seasons. Ask each for a written quote with every fee included and compare the totals.

Updated November 6, 2026 · Source: OpenStreetMap (refreshed November 6, 2026).

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Before You Hire

  1. Do you take commercial work, and do you service buildings like ours?
  2. Can you send a certificate of insurance naming us as additional insured?
  3. Are your technicians EPA Section 608 certified to handle refrigerant?
  4. Do you service our equipment type and brand (rooftop units, chillers, boilers)?
  5. What does a service agreement include, visit by visit?

46 Henniker Street, Concord

HVACPhone listedWebsiteHours listedSource: OSM

1173 Conway Road, Conway

HVACPhone listedWebsiteHours listedSource: OSM

89 Holland Way, Exeter

HVACPhone listedWebsiteHours listedSource: OSM

21 Victoria Court, Keene

HVACPhone listedWebsiteHours listedSource: OSM

302 Hounsell Avenue, Laconia

HVACPhone listedWebsiteHours listedSource: OSM

630 Suite 100 West Main Street, Tilton Northfield

HVACPhone listedWebsiteHours listedSource: OSM

HVAC in every state · Questions to Ask Before Hiring: HVAC

Listings: © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method