Whole House Fan Installation

A whole house fan draws air through the house, pushing it into the attic. This creates positive pressure, which sends the hot air out through the gables, roof, or soffit vents. At the same time, a negative pressure is created in the house, drawing cooler air through open windows and cooling the inside.

Many factors affect the cost of a whole house fan installation. The home’s size, number of vents you need, and the unit’s efficiency all impact the cost. The national average ranges between $580 to $1,270, with most homeowners spending around $730 to install a 24-inch whole house fan with two speeds with an average noise rating. On the low end, you can install a 20-inch whole house fan with a single speed for about $450. On the high end, expect to pay $2,900 to install a 36-inch whole house fan with variable speed settings and Smart technology.