Cool Window Surfaces

Vapor in the air on the inside, or the outside of your home will condense if the surfaces of your windows are cool enough. Condensation is more of an issue during the winter months when the differences between the inside and outside temperatures are greatest.

In the winter, we heat our homes a comfortable temperature. With windows that are thermally inadequate with no barrier to prevent heat transfer, the drastic difference between inside outside temperatures causes condensation to form on the windows.

This happens because the windowpanes become as cold as the outside temperature. Poorly insulated windows do not keep heat inside your home. Instead, they permit heat to escape. This creates cooler temperatures, drafts, increases your heating bill, and causes condensation to form on your window surfaces.

With well-insulated windows heat transfer is stopped, your home stays warmer, and your heating bill is lowered. Increasing the temperature will decrease the amount of humidity in the air, and reduce the chance of condensation forming. Warmer glass surface temperature also reduces the chance of condensation.

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