For a window or portable unit keep the door of the room it s in closed.
Leave attic door open in summer.
They need to be open in the summer.
For having the air conditioner running almost continuously this summer i thought my utility bills were not that expensive.
As you know cold air settles and hot air rises.
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.
Leaving the garage door open a bit doesn t do much to cool the garage.
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.
I had new power vents installed they are more powerful move more air than previous ones.
Lacking these i did the following.
In the garage is an access door to the attic.
They heat up and by conduction they heat everything they touch and the warming.
Opening your automatic garage door will let cool air and a draft in.
For central air leave the doors open to help the system keep the temperature balanced throughout the home.
But did you know that the tar shingles on your roof actually heat your home.
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.
Its best if you can arrange a ventilation fan to the attic space or open the window vents if you have in attic.
What is the philosophy about reducing heat in garages during summer months.
Set the garage door so.
Have you ever lived inside a closed shade closed like a room.
Is it best to leave the garage door open.
During this brutally hot summer of 2012 i ve left the garage access door open and it dropped the temperature in the attic substantially.
This will allow to cool down the temperature of air within the attic apace and ultimately will provide better insulation to heat.