However, whole house fans are designed to handle large amounts of air, so it’s better to vent the fan into the attic rather than directly out an enormous vent in the roof or gables. Second, the attic is often the low-rent district of the house, which makes it a good location for the fan mechanism itself.

Where is the best place to install a whole house fan?

unobstructed hallway

Although it really depends on the home, the whole house fan works best when you install it close to the center of your home. The best place is an unobstructed hallway. In order to determine which spot is best in your home, go to your attic and choose the attic joists nearest to the center.