Putting Fan In Attic Door

Use a wood handsaw to enlarge the opening if necessary before putting the fan in.

Putting fan in attic door.

If your attic door or hatch is particularly drafty turning the fan on will pull air conditioned or heated air through the gaps. Position inward blowing fans on the shady side of your house outward blowing fans on the sunny side. In another house i hooked a duct blaster up to the ducts ducts in the attic and i was getting pressure before i turned the fan on. There is also a ceiling mounted exhaust fan that draws air from inside the living areas exhausts it into the attic and then out the gable vent area.

If you can improve ventilation in your attic and reduce the amount of heat the space holds and pushes into your home you ll reduce the cooling load on your air conditioner and save money on your utility bills. The air you lose from the attic is then drawn into your home from the outside which will cause your cooling bill to go up. You don t want to be heating or cooling the neighborhood. A whole house fan is usually installed on the attic floor near the center of your house.

Step 5 tape strips of plastic tarp using duct tape to the sides top and bottom of the fan to cover the seam between it and the attic wall. Open your windows before you turn on the fan. Do this no matter how many stories your house is. To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.

One fan actively pulls in fresh air while the other fan draws out the stale warm air already in the room. In the late evening or early morning the fan is turned on to exhaust hot air from the house. Adding an attic fan can improve the airflow in your attic to keep it cool. But by adding powered attic fans you will draw more air into the attic.

The house was under 12 pascal negative pressure from the fan. Home depot and lowes have gable fans that can be mounted over the gable vent on most roofs that is used to exhaust hot air from the attic. Place the box fan open side facing away from you into the opening where the attic grille was. I put my fan in the blower door and the canvas snapped in before i even turned the fan on.

While it does help to reduce the heat in your attic putting these fans in your attic costs more because of the loss of conditioned air. On the room s opposite end open a window and install the second fan in it facing in. When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. Open a window on one side of the room and place a box fan in it facing out.