Whole House Fan Installation Cost
Whole house fans rapidly exhaust hot air through attic vents during cool evenings, dramatically reducing air conditioning runtime. In mild climates, they can reduce AC costs by 50-90%.
Low Estimate
$700
Mid-Range
$2,000
High End
$5,000
Avg ROI
38%
Interactive Cost Estimator
Mid-grade materials, good quality fixtures, standard options.
Estimated Total Cost
$1,920
Based on 200 sq ft at mid quality. Actual costs vary by location and contractor.
Cost Breakdown
Approx. $1,100 at mid-range pricing
Approx. $900 at mid-range pricing
Labor-heavy projects (with high labor costs) benefit most from getting multiple contractor bids. You can save on materials-heavy projects by sourcing materials yourself at contractor pricing.
What Affects the Price
- 1CFM capacity
- 2Belt drive vs direct drive
- 3Number of speeds
- 4Damper quality
- 5Attic ventilation required
Popular Upgrades
- Two-speed motor
- Insulated damper cover
- Quiet motor model
Discuss upgrades with your contractor before finalizing the quote. Some upgrades are cheaper to include during initial construction than to add later.
DIY vs. Hire a Pro
Recommended for experienced DIYers only.
DIY Advantages
- • Save 55% on labor costs ($1,100 at mid-range)
- • Control over timeline and material selection
- • Satisfaction of completing the project yourself
- • Flexibility to work in phases
Pro Advantages
- • Guaranteed workmanship and professional finish
- • Proper permits and code compliance
- • Access to trade pricing on materials
- • Faster completion timeline
Related HVAC & Utilities Projects
Explore All 120 Project Cost Guides
Compare costs across every major home improvement category — kitchens, baths, roofing, flooring, HVAC, additions, and landscaping.
View All Project Costs