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Posted on: October 8, 2018

Get Ready for Cooler Temperatures

Caulking cracks around windows and doors can save energy and reduce utility bills.

Weatherizing your home helps you save money by saving energy, and it can also improve the comfort of your home. Conduct a home energy audit to start building your strategy for weatherizing your home, then learn about air sealing, insulation, moisture control, and ventilation.


Take advantage of the sun's heat

  • Open curtains on your south-facing windows during the day to allow sunlight to naturally heat your home.
  • Close curtains and blinds at night to reduce the chill you may feel from cold windows.


 Adjust the temperature

  • When you are home and awake, set your thermostat as low as is comfortable.
  • When you are asleep or out of the house, turn your thermostat back 10°F to 15°F for eight hours and save around 10 percent a year on your heating and cooling bills. A programmable thermostat can make it easy to set back your temperature.
  • Find out how to operate your thermostat for maximum energy savings. Also see ENERGY STAR's June 5, 2008, podcast for video instructions on operating your programmable thermostat.


  Find, seal leaks


 Maintain heating systems


 Reduce fireplace heat loss

  • Keep your fireplace damper closed unless a fire is burning. Keeping the damper open is like keeping a window wide open during the winter; it allows warm air to go right up the chimney.
  • When you use the fireplace, reduce heat loss by opening dampers in the bottom of the firebox (if provided) or open the nearest window slightly - approximately 1 inch - and close doors leading into the room. Lower the thermostat setting to between 50°F and 55°F.
  • If you never use your fireplace, plug and seal the chimney flue.
  • If you do use the fireplace, install tempered glass doors and a heat-air exchange system that blows warmed air back into the room.
  • Check the seal on the fireplace flue damper, and make it as snug as possible.
  • Purchase grates made of C-shaped metal tubes to draw cool room air into the fireplace and circulate warm air back into the room.
  • Add caulking around the fireplace hearth.

Find out more techniques to improve your fireplace or wood-burning appliance's efficiency, and learn tips for safe and efficient fireplace installation and wood burning.


 Lower water heating costs

Water heating accounts for about 18 percent of the energy consumed in your home.

  • Turn down the temperature of your water heater to the warm setting (120°F). You'll not only save energy, you'll avoid scalding your hands.
  • Find other strategies for energy-efficient water heating.


 Lower holiday lighting costs


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