• Your Comfort Is Our Business

  • Monday - Friday from 7:30am - 4:30pm

  • Heating & Cooling

    Professionals for 25+ Years

    (618) 537-8888

    Call Now

  • Local HVAC Installation, Service, and Repair in the O’Fallon IL area!

    When you need HVAC installation or repair of heating and cooling systems, it’s best to trust the local professionals when it comes to dependable HVAC Service in your local area. Get in touch with us at C&K Heating & Cooling for a range of reliable services in O’Fallon, Illinois, and the surrounding areas. Our family owned and operated business proudly offers HVAC Service for people all over the local communities. In business since 1992, trust that our knowledgeable technicians have the know-how to solve all your heating and cooling problems. From simple tune-ups to new HVAC installation; see why people all over the Metro-East trust our experts at C&K!

  • Heating, Cooling, and HVAC Service for the O’Fallon IL Area

    In the O’Fallon IL area, people know they can call our friendly professionals at C&K for an extensive range of heating and cooling services. Our skilled, friendly technicians provide service at all commercial and residential locations. Furthermore, our list of services includes heating, cooling, furnace repair, furnace installation, furnace tune-ups, air conditioning repair, air conditioning installation, air conditioning tune-ups, geothermal heat pumps, geothermal heat pump installation, geothermal repairs, tankless water heater installation, tankless water heater repair, water purification, home dehumidification, sheet metal fabrication, and more.

  • Your Source for HVAC Installation and Repair in O’Fallon IL!

    At C&K, we proudly offer our range of quality services to those in the O’Fallon IL area. Our friendly, knowledgeable service techs strive to accommodate all your needs and ensure properly working systems when they leave. We service all makes and models, and partner with trusted brands like Aprilaire, Hague, ClimateMaster, and PureAir to ensure you’re getting the most for your money. We offer service Monday – Friday from 7:30 am – 4:30 pm and invite you to call with your questions or set up an appointment for service, today!

    Make the friendly professionals at C&K your source for heating, cooling, and more!

    Serving the 62269 zip code and all surrounding areas!