The estimated average cost of a new Saint Johnsbury attic fan installation is around $520, and generally, ranges between $429 and $642. The cost can go as low as $250 and can go as high as $920. Hiring an electrician or carpenter may add to the expense of the installation. The cost of an attic fan is around $75 to $300. If it comes with a humidistat that automatically activates the attic fan in Saint Johnsbury if it senses moisture in the attic, it will cost an extra $100 to $170. Expect your attic fan operation cost to be around $2 to $4 per month. Professional installers typically charge $35 to $75 per hour for their attic fan installation service.
Estimated final cost for attic fan
|Whole House Fan Cost||1 Fan||$241.22|
|Whole House Fan Labor||4 Hours||$171.10|
|Whole House Fan Job Materials and Supplies||1 Fan||$123.48|
|Totals - Cost to Install Whole House Fans - 1 Fan||$535.80|
|Average Cost Per Fan||$535.80|