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Get an Instant HVAC Quote for Your St. Louis Home

Answer a few quick questions above and get a real price range for a new HVAC system. When you're done, schedule a free in-home estimate and one of our project managers will assess your unique situation.

Serving St. Louis Since 1969

Carrier® President's Award Winner

0% Financing Available

Family Owned & Operated

24/7 Emergency Service

4.9 Google Rating

St. Louis' Trusted HVAC Contractor Since 1969

What Sets Us Apart

  • 55+ years serving the St. Louis metro (since 1969)
  • Carrier Factory Authorized Dealer
  • Family-owned and operated
  • Upfront pricing
  • We service all major brands
  • 24/7 emergency service, always available
Should I repair or replace my HVAC System?

What It Means For You

  • We’ve seen every system, every home age, every problem. Experience you can’t fake.
  • We meet Carrier’s highest standards for training, customer satisfaction, and quality of work.
  • Real people at a real office in St. Louis answer the phone.
  • You approve the cost before we touch anything. No surprises on the invoice.
  • If your system fails at 2am in July, we pick up the phone.
 

Frequently Asked Questions

Is the Price Quote a Final Price?

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. 

How long does an HVAC installation take?

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.

Do you service all HVAC brands?

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

What financing options are available?

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

Do you offer emergency HVAC service?

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.

Are you licensed and insured?

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.

What areas do you serve?

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