HVAC companies in Danbury, CT 06811

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

Area profitability, HVAC58 / 100Moderate market, balanced field
Typical home value$522,000+4.4% in the past year
New homes permitted, 20252,749Western Connecticut County
Homeowners77.3%11,678 households

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

Air SpecialistsHVAC contractor · 18 Mill Plain Rd, Danbury(203) 778-5200 · americanstandardair.com
Green Home SolutionsHVAC contractor · 100 Mill Plain Rd, Danbury(203) 628-2422 · greenhomesolutions.com
Hefferon Heating and Cooling, LLCHVAC contractor · 37A Padanaram Rd, Danbury(203) 790-8826 · hefferonhc.com
Service StarsHVAC contractor · 109 Federal Rd, Danbury(203) 797-9924 · yourservicestars.com · 1 driver, 1 truck

HVAC in ZIP 06811 at a glance

Local building angle: Western Connecticut County permitted 2,749 new homes in 2025, including 2,283 apartment units. 12% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.