In winters when the outdoor temperature drops any indoor heat present in a conditioned space escapes through your aluminum windows.
How to stop aluminum frame windows from sweating.
If it gets cool outside indoor heat escapes through the metal frame of the window.
How to stop condensation on an aluminum door threshold.
Aluminum windows have a high u value.
As a result the frame of your aluminum window becomes colder.
Often the aluminum frame becomes colder than the dew point of the water in the air.
There is one fix to above.
This means they transfer heat well.
The warmer the air the more moisture it can retain.
Recently we changed the original single pane aluminum windows for double pane pvc windows.
Your aluminum windows have a high u value meaning they readily transfer heat.
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.
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.
This causes the interior of the frame to become virtually as cold as the exterior frame and creates the perfect cold spot for condensation.
The air that is present inside your room is warmer.