Before the snow flies put the air conditioner cover on. A secure cover will prevent damage from water getting into the delicate fins - freezing, expanding and causing costly, yet preventable damage.
Clocks "fall back" an hour on Sunday, November 3rd. Be sure you change smoke and CO alarm batteries when you change the time.
Replace the furnace filter to keep the furnace working efficiently. Keeping the furnace performing at its peak means more even heat distribution and lower operating cost.
Switch the direction of your ceiling fan. During the winter, the fan should run at a low speed in a clockwise direction. Reversing the fan creates a gentle updraft, recirculating heat down.
Draft-proof around windows and doors. Doing it while the weather is still pleasant means a better seal without the frozen fingers.
Disconnect the hose and turn off the outdoor faucet at the indoor source.
Check the emergency generator so it's ready in the event of a black out. Always run it outside, in a well ventilated area.
If you have a wood-burning fireplace, save the ash throughout the Winter. Wood ash can be mixed into a compost heap to create a valuable soil addition providing nutrients for the spring garden. Or keep slugs and snails out of the garden by spreading the ash around garden beds.