• 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?
  • IAQ Services for your family
    Is your indoor air healthy enough for your family?
    New plasma technology can rid your home of bacteria, mold, and viruses in your air.
  • Spring Promotions 2021
    DON’T MISS OUR LIMITED TIME SPECIAL OFFERS AND PROMOTIONS!
    Free UV light air purifiers, Low payment options for new systems, extended 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!

405-224-0184

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FOR AFTER-HOURS EMERGENCIES PLEASE CALL THE OFFICE DIRECTLY.
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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

Read our blog

dirty vent from dirty ductwork in house
Remove air pollutants and particles in your ductwork causing allergic reactions and making you feel... Read more