It gets stifling and stale up there if we don t.
Old attic windows opening.
If you leave the attic windows open be sure and staple some screens over them maybe even hardware cloth would be better to keep the critters out bats and raccoons etc will invade your space and give you fits.
We do get bugs flies in the summer ladybugs in the fall.
I cant think of a single reason tho close it all summer unless theres a big storm.
During the summer and most of fall we keep 2 windows open for cross ventilation.
When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still.
You should open the window in late spring and close it in early fall.
It will vent heat out morning noon and night.
Attic glass open window in an old wooden house with meander ornament.
Blur background of the city and buildings.
The windows have screens.
A broken window glass of the attic room of a house with the red shingles roof.
We have a large full attic.
Thoughtful young woman looking at camera from the window of an attic at sunset.
6 windows in all.
The attic needs to be as close to the outside temp as you can get it year round.
And if necessary i d keep them open just a crack until you can get some roof vents in place or gable vents.