My idea is to vent the build up of hot air that has risen to the ceiling in the hotspot rooms into the attic so that air from cooler parts of the house can move in.
Box fan to cool attic.
It s perfect for reducing cooling costs as it pulls fresh air from outside and expels warm attic air out through the exhaust vents.
Air vent 18 inch dia electric gable vent fan courtesy of home depot.
Place the box fan face down on a work surface.
The fan is able to accommodate anywhere from 1 200 to 1 800 square feet of attic space.
Box fans can create indoor.
Slit 3 inches in on.
Low cfm similar to a bathroom vent 300cfm and only in the hot spots basically by adding an inline ducting fan to the return ducts for the hotspot rooms.
Most building codes specify the gable fan or.
Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.
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.
A powered attic ventilator has a different purpose.
These fans exhaust into the attic space which is okay because they re moving fresh not hot air.
The whole house fan is designed to pull air right through your house cooling and refreshing as it does so.
Whole house fans are mounted in the ceiling between a high point in your house and the attic.
A floor fan has feet that let it rest on your floor or even your countertop without scratching surfaces.
These fans lower the temperature in the attic as well.
Box fans come in different sizes and strengths.
A great advantage is that you can open any window in the house and get air movement in that room.
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.
Cut off the end of the power cord using the blade of a utility knife.
Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature.
They draw air through open windows exhaust it up through the attic space and cool the attic space.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with outdoor air.
This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.
How to use a box fan in the attic.
Encased in shallow metal frames with open air grid panels covering blades and fan box fans are essential tools if you don t have or don t want to use air conditioning.