• 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?
  • AC Maintenance for the Summer | DeHart | Duncan & Chickasha OK
    Will your air conditioner keep you cool through the end of summer?
    Schedule AC maintenance to keep you cool for the last few months of warm weather!
  • Fall Indoor Air Quality, HVAC, DeHart AirConditioning
    Indoor Air Quality & Your Family
    IAQ solutions, including air filtration, air purification, and humidity control.

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

Schedule Service

Get Started

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

new home construction framing second floor
Choose DeHart AC as your experienced custom home construction mechanical contractor. In the... Read more