24/7 Emergency Service Available 📞 (314) 930-1500
⭐ Locally Owned & Operated in St. Louis

Reliable Heating & Cooling Services in St. Louis & Beyond.

Fast, professional, and honest HVAC repairs and installations — available 24/7 for emergencies. Keep your home comfortable year-round.

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  • Licensed & Insured
  • 24/7 Dispatch
  • Satisfaction Guaranteed

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What We Do

Complete Heating & Cooling Services

From emergency repairs to brand-new system installs, our team keeps St. Louis homes and businesses comfortable in every season.

AC Repair & Service

Fast diagnostics and same-day repairs to restore cool air when you need it most — any make or model.

AC Installation

Energy-efficient cooling systems sized and installed right for your home, with honest upfront pricing.

Heating & Furnace

Furnace and heat pump repair, replacement, and tune-ups to keep you warm through St. Louis winters.

System Replacement

Old unit on its last leg? We'll recommend the right high-efficiency system and install it cleanly.

Indoor Air Quality

Filtration, humidifiers, and duct solutions for cleaner, healthier air in every room of your home.

24/7 Emergency

No heat or no cool air? We offer round-the-clock emergency service with fast dispatch across the area.

New furnace installation by Champs Heating & Cooling
Heating & Furnace Experts

Done Right, the First Time

From furnace repairs to full duct and system work, we handle the equipment behind your comfort with clean, professional craftsmanship — the kind of work you can trust in your own home.

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Maintenance Plans

Protect Your System. Lower Your Bills.

Regular tune-ups catch small problems before they become expensive breakdowns — and keep your system running efficiently all year.

  • ✔ Seasonal tune-ups for heating & cooling systems.
  • ✔ Priority scheduling for plan members.
  • ✔ Extended equipment life & lower energy bills.
  • ✔ Fewer surprise breakdowns when you need it most.
Ask About Our Plans
Champs Heating & Cooling technician on a service call

No Heat? No Cool Air?

We offer 24/7 emergency service with fast dispatch. Call now and we'll get a technician to you.

📞 (314) 930-1500
About Us

Your Trusted St. Louis HVAC Team

Champs Heating & Cooling LLC is a locally owned company built on doing the job right and treating customers honestly. No surprise fees, no upselling — just fast, professional service from technicians who care about your comfort.

Whether it's an emergency repair in the middle of summer or a planned system upgrade, we show up on time and stand behind our work.

  • ✔ Locally Owned & Operated
  • ✔ Licensed & Insured
  • ✔ Honest, Upfront Pricing
  • ✔ Fast, Reliable Dispatch
Year-Round Comfort

Your Home Should Always Feel Just Right.

Whether it's the peak of a St. Louis summer or the depth of winter, Champs keeps your home at the perfect temperature — efficiently and affordably.

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See Our Work

The Champs Difference

Drag the slider to see a real before-and-after — corroded, failing lines replaced with clean, professional workmanship that lasts.

After: clean, professionally replaced refrigerant lines
Before: old, corroded refrigerant lines
Before After
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Customer Reviews

Trusted by St. Louis Homeowners

★★★★★

"Our AC died on the hottest day of the year. Champs had a tech out fast and we were cool again the same day. Honest and professional."

— Sarah M., St. Louis
★★★★★

"Fair pricing and they explained everything clearly. No pressure to buy more than I needed. Highly recommend these guys."

— James T., St. Charles
★★★★★

"Replaced our old furnace and the whole process was smooth and clean. On time, fair price, great work."

— Linda R., Florissant
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