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Q&A: How often should I change the standard filter on my furnace?

Last updated 7 years ago

You should change your standard furnace filter every 6-8 weeks on average. You may need to change it more often during the winter and summer months, as this is when your system is running more often.  Use your own judgment as to when to change it, but don't let the filter get clogged; this can cut down on the efficiency and/or cause damage to the unit.  If you have storage space, buying your filters in bulk with save you in costs. 

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