HVAC companies in Belleville, IL 62221

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

Area profitability, HVAC55 / 100Moderate market, balanced field
Typical home value$251,000+2.1% in the past year
New homes permitted, 2025463St. Clair County
Homeowners65.2%11,896 households

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

Bel-Air EnergyHVAC contractor · 2210 Trowbridge Ct, Belleville(618) 277-0582 · heil-hvac.com
Climate Bullies Heating and CoolingHVAC contractor · 341 Breckenridge Dr, Belleville(618) 855-6625 · climatebullies.com
Green-Aire CompanyHVAC contractor · 1199 West Blvd, Belleville(618) 779-8334 · americanstandardair.com
M.A.S.S. Heating & AirHVAC contractor · 229 Glen Addie Blvd, Belleville(618) 530-9995 · massheatingandair.com

HVAC in ZIP 62221 at a glance

Local building angle: St. Clair County permitted 463 new homes in 2025, including 57 apartment units. 30% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.