Vinyl Window Condensation Condensation on your windows is a common problem. Learn how to solve the problem for free (almost). It doesn’t matter if your windows are new or old, affordable, or expensive, condensation can occur. There are a few different scenarios where condensation may accumulate on your windows. This article will discuss three different situations where condensation may occur and provide some tips on how to manage the problem. Interior Window Condensation Window condensation is the build-up of water vapor on the surface of the glass. The most common type of condensation accumulates on the interior surface like water vapor from a hot shower collecting on a cool mirror. Glass will always be one of the coldest surfaces in your home, so the colder it is outside and the…