Get an Instant HVAC Quote for Your St. Louis Home

The Quote tool gives you an average ballpark range. A firm price is given during a free home estimate, during which one of our project managers will assess your home's unique situation.

Most standard HVAC installations are completed in one day. More complex jobs — like full ductwork replacement or multiple systems may take more time. We’ll give you a clear timeline before we start.

Yes, we service all HVAC brands. We are a Carrier® Factory Authorized Dealer.

We offer financing through Wells Fargo with 0% financing available to qualified borrowers. Apply here. 

Yes — 24 hours a day, 7 days a week, including holidays. Call (314) 819-0028 any time. Emergency service is always available, and Preferred Partner Plan members receive 50% off after-hours fees.

Yes. Air Comfort Service is a fully licensed and insured HVAC contractor. We are also a Carrier® Factory Authorized Dealer — a designation that requires meeting Carrier’s standards for technician training, customer satisfaction, and installation quality.

We serve St. Louis City, St. Louis County, St. Charles County, and parts of Jefferson County — including Chesterfield, O’Fallon, Wentzville, Florissant, Kirkwood, Ballwin, and dozens more communities throughout the metro. View our service area here.