Use a wood handsaw to enlarge the opening if necessary before putting the fan in.
Box fan in attic window.
Depending on the level of heat outside the room compared to the temperature inside it and whether you have multiple fans you can face the box fan in or out of a window.
If you need to cool a specific area like your favorite spot to sit when watching tv or your little one s play area this type of fan delivers spot on cooling.
Aim to set up an equal number of in and out blowing fans.
If the blades face the window screen the fan helps pull.
If you have a room that tends to be hot a box fan that fits in the window is a way to cool it off.
The fan fits window openings that are between 27 inches and 38 inches wide and are 26 25 tall.
Window fans are simple and effective solutions for cooling your home.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling.
A box fan is a compact square device that uses a spinning blade to circulate air producing a cooling effect.
Its portable design allows you to place it in different spots including the floor or in an open window.
Most building codes specify the gable fan or the attic fan as acceptable means of cooling attics.
To achieve the best ventilation use two window fans one for bringing fresh air in from the outside and one for pushing hot air out.
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.
A box fan not being large enough will only cost you money in electricty bills and it could itself overheat and short out creating a fire hazard.
The more window fans you have working the better.
Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.
If you have an odd number configure the extra one to pull air in.
While this is effective if you ever need to close the window you have to physically remove the fan from the window.
Iliving 16 wall mounted exhaust fan automatic shutter variable speed vent fan for home attic shed or garage ventilation 1200 cfm 1800 sqf coverage area 4 6 out of 5 stars 451 109 77 109.
They are typically easier to install and won t detract from the appearance of your roof.
Place the box fan open side facing away from you into the opening where the attic grille was.
Box fans placed in or near windows can help draw in cool air from outside or pull warm air out of a room depending on how they are placed.