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The contractor received consistent praise across multiple reviews for technician professionalism, thorough system installation and testing, efficient troubleshooting of electrical and mechanical issues, and responsive customer service, with technicians like Koby, Turner, and others demonstrating strong knowledge and patience when explaining problems and solutions to homeowners. However, one customer experienced scheduling delays and billing discrepancies after service, citing difficulty obtaining appointment confirmations and an unexpected additional charge that differed from the quoted service price.
Based on Google reviews
About the Contractor
DeHart Air Conditioning & Heating is a fourth-generation, family-owned contractor founded in 1920 in Chickasha, Oklahoma, originally as DeHart Sheet Metal Works. The company moved into HVAC under Elmer DeHart and expanded into the commercial and geothermal markets in 1976, and today installs and services ground-source geothermal heat pump systems using ClimateMaster equipment. Operating from 1201 S. 4th Street in Chickasha with a second location in Duncan, DeHart handles residential and light-commercial geothermal installation, maintenance agreements covering ground-source systems, and conventional heating and cooling. Co-owners Seth and John DeHart continue the family tradition across more than a century of central Oklahoma service to Chickasha, Duncan, and surrounding communities. Verified active operator via dehartac.com company history + geothermal service pages (OK bundle audit 2026-06-01)
Service Details
schedule
Years in Business
106 years
factory
Brands Installed
ClimateMaster, WaterFurnace
water_drop
WaterFurnace
Authorized Dealer
Regulatory Context
Geothermal Permitting in Oklahoma
Geothermal heat pump installations in Oklahoma require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
What geothermal services does Dehart Air Conditioning offer in Chickasha?add
Insufficient data available. Please contact Dehart Air Conditioning directly at their Chickasha location (1201 South 4th Street) for current service offerings.
Does Dehart Air Conditioning serve areas outside Chickasha, OK?add
Service area information is not available. Contact the business directly to confirm whether they serve surrounding communities.
What brands of geothermal equipment does Dehart Air Conditioning install?add
Equipment brand and model information is not available in the provided business data. Please reach out to Dehart Air Conditioning directly for details on their equipment offerings.
Are there financing options available for geothermal installation in Chickasha?add
Financing and pricing details are not available. Contact Dehart Air Conditioning to discuss payment options for your project.
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If you need to reach Dehart Air Conditioning directly: (405) 224-0184
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Air Assurance Heating, Air Conditioning & Plumbing
Geothermal heat pump installations in Oklahoma may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
