Should you open windows this winter? Air quality experts warn it's a vital winter 2025 maintenance task you should never skip

Large kitchen with bi-fold windows and island. It's bright, open and has triple aspect windows showing the home's elevation with trees all around.

You'll be forgiven for thinking opening windows regularly is better reserved for when it's bright, warm, and sunny outside. But did you know it is just as beneficial in winter, too?

Air quality experts say knowing how often to do so over winter can help solve several common seasonal household complaints, including mold and musty smells, as well as actively combating condensation buildup.