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Change the Furnace Filter
Homeowners should change their furnace filters once a month, according to experts. And changing the filter regularly not only helps extend the life of your furnace, it helps with air quality in your home and keeps energy costs down.
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Test the Sump Pump
In the spring when the snow melts and the rain saturates the ground, your home's sump pump may be put to the test to keep water at bay. So test it during the winter to ensure you're ready for spring's big thaw.