HVAC companies in Alstead, NH 03602
1 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC35 / 100Moderate market, crowded field
Typical home value$359,000+2.1% in the past year
New homes permitted, 2025167Cheshire County
Homeowners80.3%1,022 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Walpole Valley HeatingHVAC contractor · 123 Walpole Valley Rd, Alstead(603) 313-9093 · walpolevalleyheating.com
HVAC in ZIP 03602 at a glance
Local building angle: Cheshire County permitted 167 new homes in 2025, including 10 apartment units. 18% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.