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.
Leave attic door open in summer.
For central air leave the doors open to help the system keep the temperature balanced throughout the home.
Set the garage door so.
As a general rule hot air rises.
In the garage is an access door to the attic.
Lacking these i did the following.
I had new power vents installed they are more powerful move more air than previous ones.
During the hot months many people leave their garage doors open in the day or there is even a screen door type covering for a garage.
Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented.
They heat up and by conduction they heat everything they touch and the warming.
Although air should circulate year round through the attic your house will probably be more comfortable if you cover the foundation vents in the winter.
As you know cold air settles and hot air rises.
But did you know that the tar shingles on your roof actually heat your home.
This will allow to cool down the temperature of air within the attic apace and ultimately will provide better insulation to heat.
Your avid reader mount prospect ill.
During this brutally hot summer of 2012 i ve left the garage access door open and it dropped the temperature in the attic substantially.
For a window or portable unit keep the door of the room it s in closed.
They need to be open in the summer.
Is it best to leave the garage door open.
Leaving the garage door open a bit doesn t do much to cool the garage.
Have you ever lived inside a closed shade closed like a room.
For having the air conditioner running almost continuously this summer i thought my utility bills were not that expensive.