How To Stop Aluminum Frame Windows From Sweating

Your aluminum windows have a high u value meaning they readily transfer heat.

How to stop aluminum frame windows from sweating.

As a result the frame of your aluminum window becomes colder. But noticed on one night of cold and rain that on the bottom part of the window on the inside side of the window not in between the glass that the window sweats a bit and there is. The air that is present inside your room is warmer. Get rid of all single and double pan windows get rid of leaky double hung window and windows with aluminum frames install new triple pan windows they are expensive however those triple pan windows fixes the condensation issue if you do it correct make sure the u value of your new window assembly is 0 8 and less.

Often the aluminum frame becomes colder than the dew point of the water in the air. If it gets cool outside indoor heat escapes through the metal frame of the window. This means they transfer heat well. Recently we changed the original single pane aluminum windows for double pane pvc windows.

It does keep the cold out and the windows no longer sweat like before. This causes the interior of the frame to become virtually as cold as the exterior frame and creates the perfect cold spot for condensation. In winters when the outdoor temperature drops any indoor heat present in a conditioned space escapes through your aluminum windows. The warmer the air the more moisture it can retain.

Aluminum windows have a high u value. When cold air comes into contact with humid hot air water present in the air condensates on metal and glass such as an aluminum door.