Q: When it’s cold outside, there’s frequently condensation on windows inside my home. I wipe them down, but the moisture keeps coming back. How big a problem is this, and what can I do to prevent it?

Wiping down your windows with an absorbent cloth, or a handheld window vacuum can remove moisture fast, says Munby. Treating mould is also key, and acting quickly will make sure it doesn't spread. She ...