HVAC companies in Harwinton, CT 06791
2 HVAC companies, with local market data for this ZIP.
General contractors 7Roofing and exteriors 3HVAC 2Other construction trades 2Electricians 2Concrete and masonry 1Painting 1Excavation and demolition 1Fences and decks 1Flooring and tile 1Remodeling 1Carpentry, drywall and windows 1
Area profitability, HVAC47 / 100Moderate market, crowded field
Typical home value$436,000−0.6% in the past year
New homes permitted, 2025133Northwest Hills County
Homeowners93.0%2,166 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Advanced Fuel Oil Heating & CoolingHVAC contractor · 127 Meadowview Dr, Harwinton(860) 212-7597 · advancedfueloil.com
Elite ComfortHVAC contractor · 6 South Rd, Harwinton(860) 866-6018 · elitecomfortpro.com
HVAC in ZIP 06791 at a glance
Local building angle: Northwest Hills County permitted 133 new homes in 2025. 11% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.