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Proudly serving St Charles and St Louis Counties and the surrounding communities
Kappa is a family owned and operated heating and air conditioning company that focuses on superior customer service. The name Kappa means "helping hands" and has been a helping hand to St Louis, St Charles, Lincoln and Warren counties since 1980.
The idea to lend a helping hand was developed by the founder of Kappa and we continue his wishes by doing quality work on every job that far surpasses the market standard.
Kappa's commitment to excellence on every job will leave you completely satisfied with your decision in choosing us.

Our Products
As a Carrier dealer, with a wide variety of products to choose from, we can keep your family healthy and feeling comfortable all year long. We carry a complete line of indoor comfort equipment with innovations that raise the standards of comfort and reliability, including air conditioners, heat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, geothermal systems, air cleaners, ultra violet lights, ventilators and zoning products. Let the experts at Kappa Heating & Air Conditioning help you customize a solution that's right for you.
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Our Services
We are service professionals! As licensed contractors and specialists in the field of heating and air-conditioning, we have the tools, the equipment, and the experience to keep your equipment running smoothly all year long. If it is emergency service that you need, twenty-four hours a day, seven days a week, we are available to assist you! To help reduce service emergencies, we offer service agreements to keep your comfort system running at peak performance.
Learn MoreWe're stocked with products by the best brands
- Carrier
Reviews of Kappa Heating & Air Conditioning
(Based on 4 rated reviews)
Don Nolanf
Ruth Fell

Our Organization Offers
- Residential Heating & Air Conditioning Products
- Commercial HVAC Services
- Installation & Replacement
- Trained Technicians
- Equipment Retrofit & Replacement
- Preventative Maintenance
- Extended Service Agreements
- Extended Warranties on New Equipment
- Emergency Service
- Indoor Air Quality Specialists
- Service All Makes & Models
- Sheet Metal Fabrication