St. Louis' HVAC Experts Since 1969

Heating, Cooling & Insulation Done Right

Family-owned. 4.9 stars. Same-day service available — we answer 24/7

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Instant Quote

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Repair or Replace

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Preferred Partner Plan

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Your St. Louis Home Comfort Experts

Residential & Commercial | St. Charles | O'Fallon | Chesterfield | Ballwin | Arnold | South County & Beyond

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AC Repair & Install

Same-Day Diagnosis & repair

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Heating & Furnace

Gas, Electric & Heat Pump

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Commercial HVAC

Contracts & New Installs

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Insulation

Attic & Whole-Home Solutions

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Why Choose
Air Comfort Service?

Family Owned Since 1969

Keeping St. Louis comfortable for almost 60 years with award-winning service.

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Why St. Louis Trusts Air Comfort Service

Family-Owned Since 1969

Decades of trusted service across the St. Louis metro area.

Upfront, Flat-Rate Pricing

You approve the price before we start — no surprise charges, ever.

Award-Winning, A+ BBB Rating

Recognized for quality, integrity, and customer satisfaction.

Licensed, Certified Technicians

Our highly-trained technicians never cut corners. We stand behind our work!

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Carrier Factory Authorized Dealer

Trained, certified, and backed by Carrier's manufacturer warranty — the highest standard for equipment and installation.

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Easy Finanncing

0% interest options available.
Apply in minutes!
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Preferred Partner Plan

Maintenance plan includes priority scheduling, system checks & discounts. Protect your HVAC system & comfort year-round.
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Join Our Team

Hiring skilled HVAC techs. Competitive pay, great benefits, family culture. Apply Now!
Air Comfort Service proudly serves St. Louis, St. Charles, Jefferson, Franklin, Lincoln and Warren Counties in Missouri and St. Clair, Madison, and Monroe Counties in Illinois and Surrounding Areas

Serving the Greater St. Louis Metro Area

We come to you — FAST

What Our Customers Say

Michelle Walsh
★★★★★

They're thorough and take the time to make sure i dont have any questions, and explain anything that i do. Even when we moved I knew I wanted to stick with using them.

Mary Thompson
★★★★★

We had a great experience with Air Comfort Services. We just had them install a full HVAC system. They came out quickly, and the person who provided our quote was extremely thorough, clearly explaining all of our options without being pushy or sales-focused.

Timothy Crowson
★★★★★

I'm very satisfied with air comfort service. Logan did a great diagnostic and repair. He explained everything clearly and he was very professional.