Supply and install one attic-floor whole-house fan with ceiling opening, louver/damper and wiring to a switch.
Install Whole House Fan typically costs $900 to $2,500 per project (national average as of 2026). Most straightforward jobs start near $900 per project. Final pricing depends on material quality, project scope, local labor rates, and site conditions. Use our free calculator below for a personalized estimate.
Quality Level
Estimated Total Cost
Standard Quality
National average — enter your ZIP for local prices.
Estimates are approximate and vary by location, project scope, and current market conditions. Contact a local contractor for an accurate quote.
$765 – $2,125 per project
Direct-drive 2-speed fan about 3,500 CFM over the ceiling opening with a gravity louver shutter, wiring to a wall switch
$900 – $2,500 per project
Quiet 2-speed fan about 3,500 CFM with an insulated motorized damper over the ceiling opening, wiring to a wall control
$1,125 – $3,125 per project
Variable-speed EC-motor fan about 3,500 CFM with insulated damper doors, wiring to a wall control with timer
| Component | Category | Low | High | Unit |
|---|---|---|---|---|
| Materials | material | $405 | $1,125 | job |
| Labor | labor | $315 | $875 | job |
| Supplies & Other | supplies | $108 | $300 | job |
| Equipment & Disposal | equipment | $72 | $200 | job |
Supply and install one attic-floor whole-house fan with ceiling opening, louver/damper and wiring to a switch.
Typical install whole house fan pricing range per project.
Starting price $900 per project. National average as of 2026. This is a directional range. Final pricing depends on scope, materials, access, and local labor rates.
Estimates are approximate and vary by location, project scope, and current market conditions. Contact a local contractor for an accurate quote.
Twin-fan ventilation unit framed between attic rafters during construction
Photo: Giles Douglas · CC BY 2.0 · Source
Find a pro to do thisInstall Whole House Fan usually lands between $900 to $2,500 per project. That range reflects current national calculator data after materials, labor, supplies, equipment, and disposal are rolled together. Your real quote will move based on quantity, site conditions, finish level, and contractor availability in your ZIP code.
Supply and install one attic-floor whole-house fan with ceiling opening, louver/damper and wiring to a switch.
Material selections can move the budget faster than anything else, with current material allowances landing around $405 to $1,125 per project.
Labor complexity is the next major swing factor, with installation or trade time currently averaging $315 to $875 per project.
Smaller consumables still matter, because supplies are contributing about $108 to $300.01 per project.
Specialty tools, access equipment, cleanup, and disposal can add another $72 to $199.99 per project.
Scope changes, premium finishes, difficult access, demolition, and permit requirements can push the total toward the high end of the range. Cleaner access, standard finishes, and bundled work often keep the job closer to the low end.
Get multiple itemized bids, ask contractors to separate materials from labor, and confirm what is included before you compare totals. Scheduling during a slower season and bundling adjacent work can also reduce mobilization costs.
Keep specifications tight before work starts. Change orders are one of the fastest ways to blow past the original budget, especially when material lead times or specialty trades are involved.
DIY can make sense when you already own the tools, understand the prep requirements, and can tolerate schedule risk. Hiring a pro is usually the better move when mistakes would affect finish quality, code compliance, waterproofing, structural performance, or warranty coverage.
BuildX Pro researches and reviews the national price range for Install Whole House Fan, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
View local pricing for install whole house fan across 51 states.
Find contractors who list this service and ask for a written quote.
Cost guides for property owners. Contractor ID for the shops who do the work.
Use the calculator range of $900 to $2,500 per project as your baseline, then compare that against the time, tool rentals, material waste, and rework risk you would take on by doing the project yourself.
Most install whole house fan jobs start with site review, measurements, and material confirmation. From there the crew usually handles preparation, core installation or repair work, cleanup, and a final walkthrough to confirm the finished scope matches the quote.
Ask each contractor how they handle protection of adjacent finishes, debris removal, and change approvals. Those three points tend to separate a clean project from an expensive headache.