Remember putting a pot of water on radiators to add humidity to the air in winter? This was a common practice in the days when homes were built with wood board sheathing and sometimes no insulation. Today, builders use panel products for sheathing, and walls and ceilings that are insulated. Houses are “tight” and prone to moisture problems rather than difficulties with dryness. This also includes windows.
Learn what causes condensation on your windows and what you can do to avoid it
Colorado Homeowner Blog 