HVAC companies in Stonington, CT 06378
2 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC67 / 100Strong market, crowded field
Typical home value$798,000+8.4% in the past year
New homes permitted, 2025440Southeastern Connecticut County
Homeowners77.8%2,609 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Bugbee PlumbingHVAC contractor · 26 Old Stonington Rd, Stonington(860) 572-0274 · bugbeeplumbing.com
Duncklee Cooling & Heating IncHVAC contractor · 296 Taugwonk Rd, Stonington(860) 535-2552 · dunckleeinc.com
HVAC in ZIP 06378 at a glance
Local building angle: Southeastern Connecticut County permitted 440 new homes in 2025, including 112 apartment units. 17% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.