These fans are commonly mounted in an upstairs stairwell or hallway ceiling where there s at least 3 ft.
Blow hot air into attic form closet.
You d just be blowing all of your air conditioning into the attic like leaving your front door open 24 7.
Tape cardboard around the fan to cover large gaps.
They push hot air up through the top of the attic and allow cool air to blow into the attic.
Once you re ready place a box fan in a window so it s blowing air into the house and close all the remaining windows and doors.
Put it in an attic full of blown insulation and you re forcing it to work harder to vent its heat.
Locate the main plumbing stack furnace flue or chimney and note this on your sketch for a reference point once you get into the attic.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
These vents are located at the underside of your roof the edge of the home.
Intake vents located at the lowest part of the roof under.
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.
Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Of clearance above the fan.
Install electric ventilators and attic fans which remove hot air from an attic.
A powerful fan draws cooler early morning and evening air through open doors and windows and forces it up through the attic and out the roof vents.
In addition to making the unit hard to get to for service high attic heat can trigger the.
Covered with a metal screen these vents serve two purposes.
Exhausting it into a closet would be bad and wouldn t give you any net cooling in fact you d heat the system up from electricity consumption.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
This sends hot air up and out cooling your house and your attic.