HVAC companies in Millstadt, IL 62260
2 HVAC companies, with local market data for this ZIP.
General contractors 14Excavation and demolition 3HVAC 2Roofing and exteriors 2Remodeling 1Electricians 1Garage doors 1
Area profitability, HVAC55 / 100Moderate market, crowded field
Typical home value$296,000+5.0% in the past year
New homes permitted, 2025463St. Clair County
Homeowners85.6%2,800 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
DOW Heating and Air ConditioningHVAC contractor · 216 W Laurel St, Millstadt(618) 476-9604 · dowheatingandair.com
Mon-Clair Heating and CoolingHVAC contractor · 6054 Triple Lakes Rd, Millstadt(314) 570-0436 · MonClairHeatingandcooling.com
HVAC in ZIP 62260 at a glance
Local building angle: St. Clair County permitted 463 new homes in 2025, including 57 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.