Give Use A Shout

The number on your thermostat screen is probably wrong. Not broken wrong. Strategy wrong. The Department of Energy quietly rewrote its thermostat guidance and the old set it and forget it rule no longer matches how modern variable speed equipment runs.

In this episode I walk through the new DOE setpoint advice, why the old 8 degree setback rule hurts efficiency on a two-stage or variable speed system, and what I actually recommend to homeowners in Kingfisher running everything from 1990s single-stage units to modern inverter heat pumps.

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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