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Cost of Whole House Fan Installation

Learn about the factors that increase and decrease the cost of installing a whole house fan.
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Updated on October 14, 2014
By ProMatcher Staff, ProMatcher

Cost of Whole House Fan Installation

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Whole House Fan Installation Cost

The cost of installing a whole house fan will increase or decrease based upon a number of factors. This article is intended to provide you a checklist of questions to ask yourself and your contractor. This key will serve as your guide: $0 = no additional cost, $ = standard cost, and $$ = increased cost.

Questions to Ask Yourself

Am I replacing an existing fan or installing a new unit?

$ - When replacing an existing fan.

$$ - When installing a new whole house fan. (This may require ductwork, some electric wiring, and potentially cutting a hole in the roof or drywall.)

Will the replacement fan fit where the existing fan once was?

$ - When the new fan fits in the existing area.

$$ - When the new fan is smaller or larger than the existing one and modifications need to be made to drywall or roof in order for it to fit.

What type of fan do I want to install?

$ - When a direct drive fan is installed.

$$ - When a belt-driven whole house fan is installed. (The installation is a little more complicated, but these fans run smoother and tend to be quieter.)

How high is the ceiling where the fan needs to be installed?

$ - When the ceiling is of average height.

$$ - When the ceiling is very high or sloped.

How large is the house?

$ - When the house is less than 1,500 sq. ft. and requires a standard capacity fan.

$$ - When the house is over 1,500 sq. ft. and requires a larger capacity fan.

Will the fan be controlled manually or automatically?

$ - When the fan is controlled manually.

$$ - When a timer or thermostat triggers the fan on and off automatically.

Ask the Pro:

1. How long do you expect the installation of the whole house fan to take?

2. What type of fan would you recommend?

3. Do any changes need to be made to the ductwork, electrical wiring, or roof to install the new fan?

4. Is cleanup included in the cost estimate?

5. Will the new fan fit where the existing fan is currently installed?

6. Does the size of the house require a higher capacity fan?

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