Can magnetic vent covers overheat a furnace?

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Sherwood Park
9/8/2021 at 5:38:07 PM

How many magnetic vent covers can I use if I have 10 floor vents? Will this make the furnace blower motor overheat from trying harder to blow the air? Im thinking of the winter months when the furnace comes on every 1/2 hour. I'm using 5 right now, we have an ongoing problem with cold air entering a mobile home vapor barrier. Drafty vents, inside corners, cold floor.

Thank you

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