HVAC companies in Loudon, NH 03307

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

Area profitability, HVAC49 / 100Moderate market, crowded field
Typical home value$506,000+1.7% in the past year
New homes permitted, 2025286Merrimack County
Homeowners89.7%2,254 households

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

D&D Refrigeration and A/CHVAC contractor · 46 Flagg Rd, Loudon(603) 731-3572 · danddrefrigerationnh.com
Newell and CrathernHVAC contractor · 34 Staniels Rd, Loudon(603) 228-2102 · newellandcrathern.com

HVAC in ZIP 03307 at a glance

Local building angle: Merrimack County permitted 286 new homes in 2025. 37% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.