With cold winter weather, the appearance of condensation and frost on your home’s interior windows is a common occurrence but some things can be done to avoid or reduce it from forming on your windows. Condensation on interior windows occurs naturally when interior air with sufficient moisture comes into contact with a cold window surface.
Air can only hold a limited amount of water vapour at any given temperature. As warm room air comes in contact with a cool window surface, the air cools and loses the ability to hold water. If the moisture in the air is high enough or if the surface of the glass is cool enough, the water in the air will deposit on the glass surface – this is called condensation. As temperatures drop, you can reduce condensation in your home by limiting the amount of moisture in your indoor air – here’s how: