Quote:
Originally Posted by Por_sha911
The screen in place would have some micro effect of blocking direct sunlight and warming the window that would be measured only by a Physics professor. Having the screen off a window that receives direct sunlight will actually raise the temperature of the glass by some absurd fraction of a degree. You'll affect the house temp more when you open the door to go out and pickup the newspaper.
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You have data to support that? CA Title 24, our state wide energy code has a provision for screening to reduce inside temps. This can be factored in a energy audit or to pass building plans.
Cathy has no reason to worry, it is true that she may get a little heat gain during the day, but no loss because of missing screens at night.
--Milt, your local window contractor.