Has anyone had the experience of condensation on the exterior surface of a insulated dual pane window ? The manufacturer claims it is not the window. I replaced old dual panes with new ones. The original windows did not block out my view like the new ones do. No one in my area with dual pane windows has this experience. The reason I replaced the original ones was because their seals were breaking and condensation was forming between the 2 panes.
I found out the cause and this may help you. When selling the window the salesman may not tell you that under the right dew point situation your new window may condense on the outside. This is caused by the "low-e2 " coating on the inside surface of the outer pane. Because it reflects all the heat back the outer pane may drop below dew point causing you not to be able to look out. defeats the purpose of having a window doesn't it. Ask them and put it in your contract that if that happens they need to find a solution....usually 2 panes of clear glass. This will cause some loss in insulation but you will be able to see out. Good luck.
The validity of the “ice test” in testing the integr...
Condensation INSIDE the window
Condensation on OUTSIDE of Windows
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