SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/thermostat-speed

If your house is freezing, will setting the heater to 90 degrees warm it up faster?

No. Furnaces only have one speed. It will just run longer and waste energy.

  1. No, it heats at the same speed ✔
  2. Yes, it blasts hotter air
  3. Yes, but it damages the heater

Why: A thermostat is just an on and off switch, not a gas pedal. The furnace pumps out the exact same heat whether it is set to 70 or 90.

Huh, didn't know that: Setting it higher usually means you forget to turn it back down, making the house too hot and wasting money.

The dad joke
Why did the thermostat break up with the furnace? It was too hot to handle.
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Sources

  1. Department of Energy: Programmable Thermostats https://www.energy.gov/energysaver/programmable-thermostats

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