HVAC companies in Portsmouth, NH 03801

9 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC61 / 100Strong market, crowded field
Typical home value$802,000+3.5% in the past year
New homes permitted, 20251,876Rockingham County
Homeowners53.0%10,899 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Berry & Jones Plumbing and Heating, Inc.HVAC contractor · 35 Garfield Rd, Portsmouth(603) 430-8577 · berryandjonesplumbingnh.com
Capstone MechanicalHVAC contractor · 755 Banfield Rd, Portsmouth(603) 319-8389 · cstonemechanical.com · 4 drivers, 4 trucks
CMC Mechanical Services LLCHVAC contractor · 1465 Woodbury Ave, Portsmouth(603) 430-2852 · cmcmechanical.net
Green Home Climate SolutionsHVAC contractor · 1 New Hampshire Ave, Newington(603) 960-4999 · ghclimate.com
Heritage Home ServiceHVAC contractor · 28 Deer St, STE 201, Portsmouth(603) 354-0092 · justcallheritage.com
Petro Home ServicesHVAC contractor · 225 Greenleaf Ave, Portsmouth(603) 379-3655 · petro.com
S. G. Torrice CompanyHVAC contractor · 115 Heritage Ave, Portsmouth(603) 373-6951 · sgtorrice.com
Thermidyne HVACRHVAC contractor · 89 Market St, Portsmouth(603) 499-7416 · thermidyne-hvacr.com
Townsend EnergyHVAC contractor · 225 Greenleaf Ave, Portsmouth(603) 379-3655 · townsendtotalenergy.com

HVAC in ZIP 03801 at a glance

Local building angle: Rockingham County permitted 1,876 new homes in 2025, including 711 apartment units. 13% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.