- Set your thermostat as low as is comfortable.
- Keep the temperature fairly constant, as frequent changes will utilize more energy by causing unnecessary cycling on and off. Setting back the temperature at night, however, is recommended.
- Clean or replace furnace filters once a month or as needed.
- Oil-fired boilers should be professionally cleaned and tuned once a year. Gas-fired equipment needs to be checked every other year.
- Clean warm-air registers, baseboard heaters, and radiators as needed; make sure they are not blocked by furniture, carpeting, or drapes.
- Keep draperies and shades on south-facing windows open during the heating season to allow sunlight to enter your home; close them at night to reduce the chill you may feel from cold windows.
- Close the door to an unoccupied room or area that is isolated from the rest of the house and turn down the thermostat or turn off the heat for that room or area.
- Use kitchen, bath, and other ventilating fans wisely. Turn these fans off as soon as they are no longer needed. In about 1 hour, these fans can pull out a house-full of warmed or cooled air. They can also pull dangerous furnace combustion gasses into the house in some situations.
- Check your ducts for air leaks. First look for sections that should be joined but have separated and then look for obvious holes.
- Do not use duct tape to repair leaky ducts. Standard duct tape has been shown unreliable. Various mastics or non-cloth-backed tapes are preferable.
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