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How To Cool Your Home With A Whole House Fan

A whole house fan is a cost-effective way to cool your home and improve indoor air quality. Here’s how to use an attic fan to cool your house:

  1. Open windows: When the temperature outside is cooler than inside, open windows in the rooms you want to cool.
  2. Run the fan: Turn on the whole house fan. The fan will pull cool air in through open windows and exhaust hot air out of the living space and attic.
  3. Keep indoor doors open: Keep doors open between rooms to allow cool air to circulate.
  4. Close windows and doors when you turn off the fan: Be sure to close the windows and turn off the fan before the temperature outside starts to rise. This will allow the home to stay cool longer.
  5. Repeat as needed: Repeat the process as needed to maintain a comfortable temperature in your home.

Note: It’s best to use a whole house fan when temperatures outside are at least 10 degrees cooler than inside, typically in the early morning, evening or at night.

To learn more about how whole house fans work see our explainer on how whole house fans work.


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