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Cool Talk with Hartzell's | Your HVAC Questions, Answered!

Geothermal Open versus Closed Loop Realities

Jun 13, 2026 · 22 min

Give Use A Shout

People hear closed loop and open loop geothermal and have no idea which one fits their property. I break down the honest difference: what each one is, what each costs to install in Central Oklahoma in 2026, what can go wrong with each, and why your soil and your well decide the answer more than your neighbor does. If you are weighing geothermal on acreage, a small lot, or a property with a pond or a well in Kingfisher or anywhere in Central Oklahoma, this episode gives you the questions to ask before you sign anything. More episodes: https://hartzellsheatair.com/podcast/

Thanks for tuning in to Hartzell’s Heat & Air — your trusted HVAC experts in Oklahoma and beyond. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort.

We’re employee-owned, family-run, and powered by 48+ years of experience. Whether it’s AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up.

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