The reason the condensation is showing on the storm windows is simple, the storm windows are tight and are not allowing the moisture to escape to the outside world.
The easy test for this is to open the storm window and rest a pencil on the track and then close the window on it. After a little time you will see the condensation go away.
The reason for this is that by opening the window (even just a little) allows the air to circulate and moisture will not settle on a moving surface. Also, the moisture has a way to get out.
The same with the replacement windows.
Remember, the water is everywhere in the house, couches, drapes, bedding, on the walls, ect..., you are only seeing it on the windows.
If you do a google search on condensation, I'm sure you find alot of information.
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