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.
Attic insulation to keep cool.
Install attic insulation with an r factor of at least 19.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Powered attic ventilators are the worst way to try to keep your attic cool.
This will help keep the hot attic air from heating your living space.
In other words use temperature controlled or timer d attic fans to keep your attic from getting too ridiculously hot.
When it s hot outside the stack effect operates in reverse.
Many people only think of insulation as something you need in the winter to keep your home warm.
Attack your hottest spots with low energy cooling.
In an unfinished attic the goal of insulation is to keep the rooms below cool in summer and warm in winter.
Keep your garage warm in winter and cool in the summer by installing insulation on the door.
Pull down stair or ladder.
They ve been well discussed here and other places but briefly they re not cost effective don t deal with the problem where it starts are using convection to solve a radiant heat problem and can even be dangerous by backdrafting combustion appliances and.
That means insulating the attic floor only not the walls and having vents in the roof.
But insulation is also there to keep you comfortable in summer.
Blown insulation in attics.
Installation tips and best practices.
Instead of warm air entering your home rising to the top and escaping to a cooler environment the outdoor heat goes out of its way to enter your cool air conditioned house.
How to insulate a finished attic.
An attic warmed by the heat of the summer sun beating down on your roof is doing both you and the planet a disservice.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
So it s time to pay close attention to what s happening up there.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
But heat doesn t just rise it migrates.
Attic hatch or door.
It basically seeks out cool zones to fill so if that zone is lower than the source of the heat the warmer air will.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
To understand how attic insulation helps keep your home cool in the summer months you first have to be aware of the ways a poorly insulated attic can make your house hot.
Adding an attic fan can improve the airflow in your attic to keep it cool.