Estimating the linear feet you need depends more on your home s footprint than the total square footage.
Cost of correcting vent to attic.
3 to 10 per linear foot.
The do it yourself cost of 158.
The average cost for a duct and vent professional is 100.
Basic static vents cost 30 50 to professionally install while larger and more complex vent types cost 185 245 to professionally install.
Now where the discharge point is is going to be up to you.
Adjust the cost with your zip code.
National average improvement and repair cost.
To hire a duct and vent professional to install or remove your ducts and vents you are likely to spend between 80 and 150 total.
Attic ventilation helps to eliminate heat and moisture in a home.
Because gable units are visible and can impact the curb appeal of a home some homeowners choose a more decorative version.
Of floor space in your attic.
You will typically need 1 sq ft.
The price of a carpenter to replace or install a gable mounted unit is about 70 an hour.
The contractor cost to install 2 attic gable vents is 422 vs.
That will take it from the bath exhaust fan to a discharge point.
The price of a duct and vent professional can vary depending on your area.
So what you want to do is you want to install a duct a vent duct and you can use flex duct for this.