It will require cutting the duct in the attic or where accessible and fitting it in the system.
Add fans to floor ducts.
First check the basics most popular home maintenance tips.
You simply remove the louvered cover and replace it with the fan which usually comes with its own register grille.
Ventech vt df 6 df6 duct fan 240 cfm 6 this air booster is fitted into existing duct work which can dramatically boost the air flow.
Screw the booster fan to the sub floor plug it in attach the cover and you re done.
If you have either of these sizes order the fan and install it in place of the register.
Recessed duct fans are sized to fit either a 4 x 10 in.
A duct booster fan most people just call them booster fans is a device that you can attach to your hvac system s ductwork.
This is most likely the best option but does require more work.
While these fans range in price from 30 to 200 they also have added installation fees involved.
By far the easiest type of booster fan to install is one that fits inside a standard duct register in the floor or wall.
Or 4 x 12 in.
How booster fans help.
Another option is an in line fan that you can install in the duct line.
Quiet and efficient inline fans are a cheaper alternative to replacing your duct system entirely.
Booster fans are add ons that help move air through ducts.
Ventech df6 duct fan.
The third type shown here is a recessed fan that fits into the duct and is flush with the floor.