Clean electronic air cleaner elements monthly for most efficient operation. Clean or replace humidifier elements before the heating season begins. Inspect washer hoses for bulges, cracks or splits. Replace them every other year. Make sure the exterior vent door closes tightly when not in use.
Schedule fall furnace inspections now.
Buy a winter's supply of furnace filters. Change filters monthly for maximum energy savings and indoor comfort. Drain sediment from hot water heaters.