HVAC companies in Gilmanton Ironworks, NH 03837
1 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC53 / 100Strong market, crowded field
Typical home value$509,000+8.0% in the past year
New homes permitted, 2025423Belknap County
Homeowners99.7%694 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
RJK Plumbing & Heating, LLCHVAC contractor · Mountain Road, Gilmanton Ironworks(603) 988-4531 · rjk-plumbing-heating.com
HVAC in ZIP 03837 at a glance
Local building angle: Belknap County permitted 423 new homes in 2025, including 38 apartment units. 29% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.