The fan, the labor, the wiring and the vents. Here is what each one costs, what pushes the price up, and how much you save by doing it yourself.
A whole house fan typically costs $600 to $2,300 installed, according to HomeGuide, and Homewyse’s September 2026 estimate is $1,074 to $1,948 per fan including a dedicated circuit and switch. The biggest variables are the fan itself, whether you need a new electrical circuit, and whether your attic needs more vents. CentricAir fans are listed from $849 to $1,949, and CentricAir says a typical installation takes about 90 minutes with no framing.
Whole house fan quotes can vary by more than a thousand dollars for what looks like the same job. The difference is almost always in the details: the type of fan, whether there is already wiring nearby, and how much attic ventilation your house has. Knowing the pieces makes it much easier to compare quotes.
What does a whole house fan cost installed?
Most homes land between $600 and $2,300, with quieter ducted fans at the higher end.
HomeGuide’s cost guide puts the average installed price at $600 to $2,300, and notes that direct mounted models fall at the low end while roof mounted fans and quieter ducted fans are priced at the high end. Homewyse’s September 2026 estimate, which assumes a dedicated 120 volt circuit and wall switch, is $1,074 to $1,948 per fan.
| Cost item | Typical range | Source |
|---|---|---|
| Fan unit | $300 to $1,500 | HomeGuide |
| Labor, existing wiring | $300 to $800 | HomeGuide |
| Labor, new circuit and switch | $600 to $1,600 | HomeGuide |
| Added roof vent, if needed | $200 to $700 per vent | HomeGuide |
| Installed, with dedicated circuit | $1,074 to $1,948 per fan | Homewyse, Sept. 2026 |
National estimates. Prices in your area may differ. Always get written quotes.
How much do CentricAir fans cost?
From $849 to $1,949 on centricair.com as of September 2026 (listed sale prices), before installation.
Every CentricAir system comes with the parts needed for a standard install, including an industrial grade backdraft damper, sound absorbing acoustical ductwork, a high airflow grille, a control and hardware. An R13 motorized cold climate damper is a $199 upgrade.
| Model | Airflow (CFM) | Listed price, Sept. 2026 |
|---|---|---|
| CentricAir 1.5 | 1,263 | $849 |
| CentricAir 2.0 | 1,918 | $1,049 |
| CentricAir 2.7 | 2,709 | $1,249 |
| CentricAir 3.4 | 3,242 | $1,449 |
| CentricAir 4.0 | 3,921 | $1,649 |
| CentricAir 4.0 ECM | 4,146 | $1,949 |
Prices shown on centricair.com product pages in September 2026. Prices and sales change, so check the product page for today’s price.
What makes installation cost more?
Wiring, attic vents, and a tricky attic.
- A new electrical circuit. HomeGuide’s labor range roughly doubles, from $300 to $800 up to $600 to $1,600, when a new circuit and switch are needed.
- Not enough attic ventilation. Building America recommends 1 square foot of net free vent area per 750 CFM. If your attic falls short, added roof vents run $200 to $700 each, according to HomeGuide. CentricAir recommends choosing a fan your existing vents can support rather than adding vents just to go bigger.
- Hard to reach attics. Low clearance, long runs or a steep roof take more time.
- Removing an old fan. Taking out an old louvered fan and patching the opening adds labor.
How much can you save by installing it yourself?
The labor, roughly $300 to $1,600 by HomeGuide’s ranges, if you are comfortable in an attic.
CentricAir says a typical installation takes about 90 minutes and needs no framing, because its damper box fits between standard 16 or 24 inch joists. Do the attic work in the morning, while it is still cool up there. The installation video below walks through every step. If you need a new circuit, hire a licensed electrician for that part.
Rather have a pro handle it? Find a whole house fan installer near you.
How fast does a whole house fan pay for itself?
Divide your total installed cost by your yearly savings.
In our worked example, a CentricAir 3.4 used instead of AC on 120 summer evenings uses about 77 percent less electricity for those hours, which adds up to hundreds of dollars a year for many homes. Your numbers depend on your climate, your rate and how much you run the AC today. The full breakdown is in how much money a whole house fan saves.
Check for rebates before you buy. Some utilities offer rebates on whole house fans. See our utility rebate page and ask your utility what is available now.
Size your home first, then compare models and prices.
Watch more from CentricAir
More videos from the CentricAir YouTube channel. Click any video to play it right here, or subscribe for new installs, tips and product walkthroughs.
Frequently asked questions
How much does it cost to install a whole house fan?
HomeGuide puts the average at $600 to $2,300 installed, and Homewyse’s September 2026 estimate is $1,074 to $1,948 per fan including a dedicated circuit. CentricAir fans are listed from $849 to $1,949 before installation.
Do electricians install whole house fans?
Often an electrician handles the wiring while an installer or handyman handles the ceiling opening and attic work. Some whole house fan installers do both. A new circuit is the biggest labor variable.
Can I install a whole house fan myself?
Many homeowners do. CentricAir says a typical installation takes about 90 minutes and needs no framing. Hire an electrician if you need a new circuit.
Does a whole house fan need its own circuit?
Building America’s checklist is to verify a circuit is available for the fan. Homewyse’s estimate assumes a dedicated 120 volt circuit with a wall switch. Your electrician can confirm what your panel needs.
Are there rebates for whole house fans?
Some utilities offer them. Programs change often, so check with your utility before you buy and see our utility rebate page.
Keep reading
Sources
- HomeGuide, How Much Does a Whole-house Fan Cost to Install?, Aug. 29, 2025.
- Homewyse, Cost to Install Whole House Fan, September 2026 estimate.
- U.S. Department of Energy, Building America Solution Center (PNNL), Whole-House Fans, updated Sept. 29, 2022.
- CentricAir product specifications and prices, centricair.com, accessed Sept. 2026.
- CentricAir Insulated R5 Gravity Backdraft Damper and Cold Climate Damper product pages, accessed Sept. 2026.