• Fall Indoor Air Quality, HVAC, DeHart AirConditioning
    Indoor Air Quality & Your Family
    IAQ solutions, including air filtration, air purification, and humidity control.
  • Feet in Slippers on Geothermal Radiant Heat Floor
    Sustainable home heat is right under your feet
    It may be cold up above ground, but you can use the heat underground to keep your home warm, for less.
  • Warm Home with Heating Maintenance
    Achieve Greater Home Comfort and Energy Savings
    Get preventive maintenance for your heating system
  • 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.
  • Fall and Winter Specials with Dehart
    Free UV light air purifiers, 10 year labor warranties, expiring tax credits and more. Discover even more ways to save on your heating and cooling upgrades.

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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boy and cat in window of home looking out at snow
Lower your energy bills and create a more comfortable and healthy home this winter with HVAC... Read more