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Whole House Fan Installation Cost

How much does a whole house fan cost? Learn about how much whole house fan installation costs.
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Updated on March 25, 2015
By ProMatcher Staff, ProMatcher

Whole House Fan Installation Cost

Cost to Install a Whole House Fan

The average cost of installing a whole house fan is $500-600 (including a mid-grade fan). However, there are several factors that may impact the cost of installation. Use the list below to get a better understanding of the relevant cost factors.

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1. Geographic location. Where you live matters. The cost of living in your area will impact the cost of installation. You should expect to pay a little extra in bigger cities (and a little less in more rural areas). To find estimated prices in your town, check out ProMatcher’s House Fan Cost Report here.

2. Replacement or new installation? Are you replacing an existing fan? Will the new fan fit in the existing cut-outs? Is the proper ventilation and duct work already in place? Do joists need to be cut to accommodate a new fan? Replacing a fan is typically cheaper than installing a brand new one. If you need to install ductwork or make any structural modifications, this will come at an additional cost.

3. Electrical work. Is there an electrical outlet accessible? If not, this may require the services of a licensed electrician. For more about the cost of installing an outlet, click here.

4. Type of fan. There are two basic choices: direct drive and belt-drive fans. A direct drive fan is the cheapest option. Although belt-drive fan are more expensive to install, they are less noisy. Additionally, variable-speed fans are more expensive than single-speed fans.

5. CFM (Cubic feet per minute). The size of your house and the climate in your region will determine the appropriate fan capacity. Airflow for whole house fans is measured by CFM (or cubic feet per minute). For a standard 4-bedroom home, you will typically need a 4000 CFM fan. You should expect to pay higher prices for stronger fans.

6. Is the area accessible? Does insulation need to be moved out of the way? Does drywall need to be cut? Is the attic filled with junk? Are the ceilings very high? These obstacles will add to the cost of installation.

7. Fan controls. How will the fan be controlled? Does the contractor need to install a wall switch? A fan with manual controls is generally the most affordable option. Or, does the fan have a timer or thermostat that automatically triggers the fan on and off? These fans are typically a little pricier.

8. Fan cover. Does the fan come with a cover or doors? This will prevent cold outdoor air from entering your home during the winter. Make sure some sort of cover is included in the cost estimate.

For a free quote for whole house fan installation, click here.

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