Knowing who you can trust your comfort to can be a tough decision. Fortunately, if your home or business needs air conditioning, heating, or indoor air quality services, the experts at DeHart Air Conditioning are just a phone call away.

Family-Owned HVAC Company with Nearly 100 Years of Experience

DeHart Air Conditioning was founded in 1920, which means we have nearly 100 years of experience in the business. As a fourth-generation family-owned HVAC company, we know the Chickasha and Duncan, OK area and what homeowners and commercial property owners in the region need.

From our steamy summers to our chilly winters, we know how difficult it can be to stay comfortable. That’s why our caring team of expert HVAC professionals will make sure you stay cool during the summer heat and cozy during the winter.

High-Quality Diverse HVAC Services

Whether you’re a homeowner that needs help with your air conditioning and heating system (even unique solutions like geothermal systems and VRFs), your ductwork, or with your indoor air quality, we can help. From services ranging from replacement, repair, and maintenance to new construction HVAC installation, our expert technicians do it all. We’ll make your home more comfortable regardless of what the weather outside is like and help to keep you and your family healthy with solutions like air filtration, purification, and humidity control.

At DeHart, we also offer commercial HVAC solutions so property and business owners from Chickasha to Duncan and the surrounding area can keep their properties comfortable year-round.

Your Local Chickasha & Duncan HVAC Experts

Whatever your home, new build, or commercial property needs, the HVAC specialists at DeHart Air Conditioning have the solution for you. With the best products, financing and rebate options, and specials, as well as the highest-quality service, you can have peace of mind about your comfort and indoor air quality.

Make your home or commercial property comfortable and healthy. Contact us or call 405-224-0184 to schedule an appointment today!

Need HVAC or IAQ service?

We’re your trusted local experts

405-224-0184

Schedule Service

Learn More

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

warm house concept
Winter brings dust, dirt, and mold buildup in your ductwork that can have a negative effect on the... Read more