HVAC companies in Norwalk, CT 06855
4 HVAC companies, with local market data for this ZIP.
General contractors 12Roofing and exteriors 5Concrete and masonry 4HVAC 4Electricians 3Other construction trades 2Carpentry, drywall and windows 1Garage doors 1
Area profitability, HVAC55 / 100Strong market, crowded field
Typical home value$765,000+7.7% in the past year
New homes permitted, 20252,749Western Connecticut County
Homeowners57.1%3,322 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Astacio HeatingHVAC contractor · 70 Fort Point St, Norwalk(203) 309-3492 · astacioplumbing.com
Climate Care, LLCHVAC contractor · 20 Fitch St, Norwalk(203) 354-2020 · climatecarect.com
Swanson Plumbing & Heating LLCHVAC contractor · 44 5th St, Norwalk(203) 515-8207 · swansonplumbing.com
T&H Mechanical SystemsHVAC contractor · 5 Cove Ave, Norwalk(203) 644-1098 · tandhmechanical.com
HVAC in ZIP 06855 at a glance
Local building angle: Western Connecticut County permitted 2,749 new homes in 2025, including 2,283 apartment units. 11% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.