The whole house fan was installed to remove excess heat during hot summer days. When you return home from work you can easily remove the hot air built up during the day by turning on the whole house fan and opening a few windows in the lower level. This is an efficient way to cool the house without having to turn on the air conditioning.

This whole house fan is special as it provides an automatically opening cover that offers R-38 insulation. Without that, there would be a large missing piece of insulation in the attic.

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