Do windows cause condensation? No, condensation on windows is not the fault of the window. However, by replacing drafty windows and doors or installing a new roof or siding, you are reducing air flow in your home and making it tighter. Tighter homes actually retain more humidity. By admin|2020-05-15T20:43:19-04:00May 15th, 2020|didyouknow?|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditWhatsAppTumblrPinterestVkEmail About the Author: admin Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.