But while downstairs is just right.
Openjng attic door for heat.
If you want the heat out of your attic a reflective roof or radiant barrier are better ways to get there.
While it does help to reduce the heat in your attic putting these fans in your attic costs more because of the loss of conditioned air.
Finish up by sealing the access hatch with self sticking weather stripping.
In late winter early spring we can go weeks and weeks without using either the a c or heater by opening windows at night to cool the house then closing them in the morning to keep the house cool.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Sealing the attic hatch or door.
Opening your attic access panel will draw that air into the attic and help to push the hot air up there and out through the roof vents assuming you have proper attic ventilation.
This insulation resists the heat from the terrace to pass it directly to the living room.
As you know cold air settles and hot air rises.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
Opening your automatic garage door will let cool air and a draft in.
Then prop open the garage s attic access ladder by about 12 inches or enough to let a sizable draft enter your attic.
But by adding powered attic fans you will draw more air into 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.
Be sure that the access door is well fitted and doesn t let air escape around the edges.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
Your attic acts as an insulation between the terrace and the living room.
This insulation is penetrated if you open u.