• Indoor Air Quality Sneezes
    Is your indoor air healthy enough for your family?
    New plasma technology can rid your home of bacteria, mold, and viruses in your air.
  • AC Maintenance and Repair by DeHart
    Achieve greater home comfort & energy savings
    Get preventive maintenance for your AC system
  • Geothermal Energy, Geothermal Heat Pump, Geothermal Radiant Heating, Geothermal Oklahoma
    Discover the possibilities of Geothermal Energy
    You’ve probably heard about solar energy, but did you know there’s another alternative energy source right under your feet?
  • Duct Cleaning with DeHart
    Is the air in your home affecting your health?
    Excessive dust, dirty air vents, increased allergies are all signs that it's time for a duct cleaning.
  • Spring Promotions & Savings with DeHart
    Save on your HVAC updates with Spring Promotions
    When you replace your outdated equipment for more energy efficient choices, you (and your wallet) feel the benefits all year round.

DeHart Air Conditioning

Serving the heating, cooling and overall home comfort needs of our friends and neighbors here in Duncan and Chickasha has been a family affair for four generations. DeHart has got your needs covered — from air conditioning repair and installation, to designing and installing a geothermal system for energy savings, we are the local experts. We can even help you settle the debate over central air vs mini split, and which will be better for your home or business! Stay more comfortable in your Oklahoma home or commercial property without breaking the bank on your monthly energy bills — call DeHart for all your HVAC repair needs.

Achieve greater comfort and efficiency.

Talk to the HVAC experts at DeHart today!


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What our customers are saying

I would like to commend DeHart Air Conditioning and two of your employees, Stacy and Akeem. When we moved into our house two years ago we had DeHart clean the ducts.

Bob Evans

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dirty ductwork vent
Lower energy bills, improve the efficiency of your HVAC system, and reduce indoor air pollutants... Read more