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Old 05-13-2020, 05:17 PM   #615
EVERLAST
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Join Date: Oct 2005
Location: https://homestars.com/companies/2808346-keith-my-furnace-guy
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Quote:
Originally Posted by Calgary14 View Post
Hi Keith, is it better for a furnace to have the fan on all the time or for it to cycle periodically (ie. once every 1-2 hours)? We have a high efficiency Carrier that is new-ish (2011) and wondering what is best for the longevity of the furnace

All the time. Prolongs the lifespan of the motor in fact.
Dependent on type of filters being used as well and please change filters monthly.
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