I don't find screens on windows tacky & they are nice in summer to avoid all kinds of flying insects getting in when the windows are open in the evening. But t

I don't find screens on windows tacky & they are nice in summer to avoid all kinds of flying insects getting in when the windows are open in the evening. But they do make it harder to exchange inside and outside air, as they increase air resistance, especially in hot summer evenings when there is little temperature difference and no wind.