This weekend we "Fall Back" and everyone knows you're supposed to replace the batteries in your smoke detectors at Daylight Saving Time, but it can also be a handy reminder for other important tasks.
Replace filters: heating, AC, refrigerator, dryer, etc... it's a good time to check on filters and replace or clean them if necessary.
Reverse ceiling fans: Reversing the direction of your ceiling fan can help pull the cold air up and keep you warm in the winter.
Rotate your mattress: this can help extend the life of the mattress and keep you comfy on winter nights.
Check your emergency kit: make sure all your items are stocked and up-to-date.
What other items would you add to this list?