Why is the Blower Fan Always Running with Nest Thermostat? - Ask the Expert Episode 250

This question is from Frank.

“Hey Dan, why does the blower fan run all the time when hooked up to the Nest thermostat?”

I’m not sure what unit he’s talking about, but you can fix that from the app more than likely. Open the Nest app and go to the unit you want to control, which will probably be the air handler or the blower. Choose the fan, modify the settings. Now, from the Nest app, you should be able to turn the fan on and off or adjust the settings.

Your unit is probably just set to “on” and it should be set to “auto”. With on, it just goes all the time. With auto, it turns on and off with the unit.

Got more questions? Just ask in the comments below.

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