Putting Fan In Attic Door

Open a window on one side of the room and place a box fan in it facing out.

Putting fan in attic door.

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. 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. The house was under 12 pascal negative pressure from the fan. Open your windows before you turn on the fan.

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. 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. In the late evening or early morning the fan is turned on to exhaust hot air from the house. Position inward blowing fans on the shady side of your house outward blowing fans on the sunny side.

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. On the room s opposite end open a window and install the second fan in it facing in. Cooler outdoor air enters through open windows lowering the indoor temperature. 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.

But by adding powered attic fans you will draw more air into the attic. Adding an attic fan can improve the airflow in your attic to keep it cool. Place the box fan open side facing away from you into the opening where the attic grille was. Be sure that the access door is well fitted and doesn t let air escape around the edges.

A whole house fan is usually installed on the attic floor near the center of your house. When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. If your attic door or hatch is particularly drafty turning the fan on will pull air conditioned or heated air through the gaps. I put my fan in the blower door and the canvas snapped in before i even turned the fan on.

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. Do this no matter how many stories your house is. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof. Use a wood handsaw to enlarge the opening if necessary before putting the fan in.