HVAC companies in Plainfield, CT 06374

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

Area profitability, HVAC41 / 100Moderate market, crowded field
Typical home value$340,000+2.8% in the past year
New homes permitted, 2025185Northeastern Connecticut County
Homeowners72.1%3,193 households

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

A-1 Oil ServiceHVAC contractor · 359 Tarbox Rd, Plainfield(860) 564-1570 · a-1-oil-service-ct.hub.biz
Laporte & Sons Plumbing & HeatingHVAC contractor · 32 Lovers Ln, Plainfield(860) 564-8912 · laporteandsons.com

HVAC in ZIP 06374 at a glance

Local building angle: Northeastern Connecticut County permitted 185 new homes in 2025. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.