Inspect filter when you move in & every 3 months for replacement. If you have hairy pets or dusty work done inside unit; you may want to change the filter more frequently.
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HOW often should I change my Furnace Air Filter?
0 0 0 0 Inspect filter when you move in & every 3 months for replacement. If you have hairy pets or dusty work done inside unit; you may want to change the filter more frequently.
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