Let's cut to the chase about drafty windows: stop the cold, not your wallet

https://reliabless.com/5-home-repair-traps-that-devastate-homeowners-in-their-30s-50s/

Why your windows feel drafty even when the glass looks fine You walk past the window, feel a cold spot on your hand, and assume the glass is to blame. Sometimes it is. Often it isn't. Drafty windows are not a single problem with a single fix