At DeHart Air Conditioning, we strive to make HVAC upgrades even more affordable for homeowners near Chickasha and Duncan, Oklahoma. Because we work primarily with high-quality heating and cooling equipment from Lennox, we are able to offer our customers special discounts directly from Lennox.

In addition to our promotions, we work with local utility companies to help our customers take advantage of special rebates when they upgrade their HVAC equipment or install a geothermal system. Learn more about our current offers below and through our Financing & Rebates page!

If you want to save on your next heating replacement, AC upgrade, or ductless mini split installation, you’ve come to the right place. Check this page regularly for a look at our latest promotions!

CURRENT PROMOTIONS

FREE UV LIGHT WITH EVERY INSTALL

With every heating and cooling system installation, we’ll add in a FREE in-duct UV light, which can help purify and sanitize the air passing through your system.

5 YEAR LABOR WARRANTY ON LENNOX AND CLIMATEMASTER 

Every new Lennox or ClimateMaster heating and cooling system includes a 5 year labor warranty! 

26% TAX CREDIT ON GEOTHERMAL (Extended!)

Qualify for a federal tax credit equal to 26% off the installation costs of a geothermal system through the end of 2022. This tax credit will drop to 22% in 2023 so now is the time to take advantage of maximum savings!

UTILITY REBATES

Local Chickasha and Duncan utility rebates can help lower the cost of energy-efficiency upgrades to your home even more! Reach out to DeHart today to find out what utility rebates are available for customers of OG&E, OEC, CKenergy Electric Cooperative, Centerpoint Energy, Cotton Electric, Red River Valley Rural Electric Association, Rural Electric Cooperative, PSO, and Duncan Power.

SPECIAL FINANCING PROMOTIONS

*Promotional Financing options (upon Approval from Service financing)

These are promotion financing offers; they cannot be used with Lennox rebates

  • 3 Month no interest no payment rolled into 6.99% APR for 120 months

  • 6 month no interest no payment rolled into 9.99% APR for 120 month

Financing options (upon Approval from Service financing)

These are promotion financing offers that can be used with Lennox rebates

  • 9.99% APR for 120 Months.

Promotional financing has restrictions and cannot be combined with some rebates or other savings, please reach out to our office to learn more about all the current ways you can save. 

Save more with DeHart, your leading local heating and cooling company. Call 405-224-0184 or contact us today to learn more about the latest specials and promotions.

Saving money's never been more affordable.

Take advantage of our special offers and promotions today.

405-224-0184

Schedule Service

FOR AFTER-HOURS EMERGENCIES PLEASE CALL THE OFFICE DIRECTLY.
Reach Out Now

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