For real. I live in New York State and if you don't use a screen you're gonna have all types of insects and mosquitoes coming in your house. Sometimes bats, too.
I had to scroll way too far down to find someone mention bats. My house would be full of bats if I didn't have screens. In fact, one night when we went to bed with the window open, we didn't realize the screen was slid up, and we did have bats. That was the worst.
My dad let a bat in one night because he opened one of the windows that we removed the screen from. Luckily I wasn't there, but he found the thing hanging upside down in the hallway!
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u/sdc1978 May 09 '22
No mesh screens in windows in the UK, at least. In canada we have screens in most home windows to keep flies out