HVAC companies in Sandown, NH 03873
2 HVAC companies, with local market data for this ZIP.
Excavation and demolition 2General contractors 2HVAC 2Concrete and masonry 2Electricians 1Roofing and exteriors 1Remodeling 1
Area profitability, HVAC58 / 100Strong market, crowded field
Typical home value$560,000+1.1% in the past year
New homes permitted, 20251,876Rockingham County
Homeowners82.5%2,223 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
M&K Plumbing and HeatingHVAC contractor · 204 Fremont Rd, Sandown(603) 235-8451 · nhoilburnerservice.com
Marshall MechanicalHVAC contractor · 81 Royal Range Rd, Sandown(603) 216-5977 · marshallmech.net
HVAC in ZIP 03873 at a glance
Local building angle: Rockingham County permitted 1,876 new homes in 2025, including 711 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.