Check out our brand of the heating and cooling systems you need!

The best quality you'll find in St. Charles, MO

Free estimates on new installations. Call us today at 636-243-1519, and learn more about the brand of your next Heating of AC unit.

Energy-Efficient Air Conditioner

Alliance Brand GSX16

The Alliance brand GSX16 Air Conditioner is one of the best purchasing decisions you could make in our industry. This air conditioner will provide you with the reliable cooling and money-saving energy efficient levels you need in your home. We also know the last thing you want to hear is a noisy air conditioner starting up. That is why we built the GSX16 with sound-dampening features to ensure the system doesn't interfere with a good night's sleep. The GSX16 includes other fantastic features:

- Chlorine-free R-410A refrigerant
- An energy-efficient compressor
- A factory-installed liquid-line filter drier
- A high-efficiency condenser coil
- A louvered cabinet made of heavy-gauge galvanized steel
- An attractive design, finished in a gray color to complement your home

Variable-Speed Gas Furnace


The GMVC8 Variable-Speed Gas Furnace is everything you're searching for in a gas furnace: exceptional, dependable, and stable for years to come. It's one of the most impressive furnaces we make, and we built it with your comfort in mind. Your furnace will use a multi-speed inducted draft blower motor and variable-speed circulating blower to reduce the noise levels common in other furnaces without these features. The GMVC8 includes amazing features:

- Aluminized-steel tubular primary heat exchanger
- Efficient and quiet, variable-speed ECM circulator motor
- Durable silicon nitride igniter
- Electronic ignition control
- Two-stage gas valve
- Electronic control board with self-diagnostics
- Complies with California NOx emissions standards
- Corrosion-resistant vent blower
- Fully insulated, heavy-gauge steel cabinet with durable baked-enamel finish