To weatherproof windows, apply weather stripping around the moving parts of the window and caulk any gaps around the frame. You can also install storm windows or use window film to add extra insulation. These steps prevent drafts and keep moisture out, making your home more energy-efficient and comfortable in extreme weather.

Weatherproofing windows helps protect against drafts, moisture, and extreme temperatures. Caulking and weather stripping are key steps, while storm windows or window film provide additional insulation. This can lower energy costs and improve your home's resilience to cold, heat, and rain.