Swiss Air Heating & Cooling - St. Louis

Swiss Air Heating & Cooling - St. Louis At Swiss Air Heating & Cooling, your comfort is our priority, and we’re here to make your experience the best it can be. Remember, who you choose matters.

Our foundation is built on strong guarantees, ensuring that our clients receive the best value with price and workmanship assurances. Welcome to Swiss Air Heating and Cooling, your trusted, locally owned and family-operated HVAC company serving O’Fallon, Missouri, since 1989. Our team is passionate about delivering quality work to every customer, and we’re proud to say we have the best technicians in the area! Our professionals are fully licensed, expertly trained, and committed to providing unmatched service on every job. Whether you need heating, air conditioning, or any other HVAC service, contact us today to schedule an appointment with one of our skilled technicians. We offer free estimates because we believe in transparency and trust. Plus, we provide special discounts for veterans and active military members as our way of giving back. Many HVAC companies are being sold to out-of-state and even international interests—but we’re dedicated to staying local. Call Swiss AirHeating and Cooling—the Wizard of Comfort—for reliable service from a team that’s been right here in your community for over 30 years! Your Comfort, Our Promise.

06/04/2026

The summer heat is just around the corner. Make sure your HVAC system is ready for the job.

Address

406 E Wabash Street
O'Fallon, MO
63366

Opening Hours

Monday 7am - 7pm
Tuesday 7am - 7pm
Wednesday 7am - 7pm
Thursday 7am - 7pm
Friday 7am - 7pm

Telephone

+16369787800

Website

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