Whole-house fan installation costs. Labor cost to install.Whole-house attic fan prices are $300 to $1,500 for the unit alone, depending on the size and type. Installation labor costs $300 to $800 when using existing wiring or $600 to $1,600 with a new circuit and switch.
In May 2026 the estimated national average cost to Install a Whole House Fan starts at $1,045 - $1,899 per fan. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project.
A whole-house attic fan is one of the most cost-effective ways to reduce summer cooling expenses, with total installation costs typically ranging from $400 to $1,500 depending on fan type and home configuration.

The average whole house fan cost ranges from $1,200 to $3,500 installed, depending on the fan size, home layout, installation complexity, and local labor rates. Most homeowners pay around $2,000 to $2,600 total for a professionally installed system.
Calculate your whole-house fan installation cost based on house size, fan type, and your location. Get an instant estimate with our free interactive calculator.

Calculate your attic fan installation cost with our 2026 pricing guide. Compare labor, solar vs. electric options, and learn how to protect your roof.The general rule is one fan per 1,000 to 1,500 square feet of attic space, though your roof pitch and local climate can shift that recommendation.
(installed). Cost to install an attic fan or a whole house fan varies greatly by region (and even by zip code).A solar-powered attic fan will average $600 installed. For example, an electric fan adequate for venting a 2,500-square-foot attic would cost about $149.
Whole house fans operate by creating a powerful ventilation system that pulls cool outdoor air through open windows while expelling hot air through attic vents.Ensure at least 450-600 square feet of unobstructed attic space above the fan installation point.