Doors and Windows - Condensation in window

I have the low e single hung windows. One of the windows on top gets condensation in between the inside and outside? Only one does this and only on the top window?

Sounds like your (top) window seal has failed, most likely between the outside pan and exterior.

what do I do about that. The house will only be 2 yrs old in July.

All I can say is check with the company that made it. When they lose the vacuum they are done far as any insulation value.

ED ;)

Well, I guess it depends on whether you have an insurance on your windows. This problem can only be fixed (I think) by replacing the window. If it's only 2 years old, I would think that they are still under warranty, but this needs to be assessed. I don't know what else I could tell you, but in case you don't have a protection plan for those, I would recommend that you contact the manufacturer who should be able to do something about it. Usually you should get a minimum 5-year guarantee on new windows, but maybe you bought the house brand new with windows 2 years ago? This is definitely a _rare_ occurence, but you should be able to have the contractor or seller to help you out. Hope this helps. Regards,

I will call the builder, but I am sure he will give me a hard time, but I'll try. Thanks for the info.

boudre,

As was mentioned, you have an IGU seal failure. IGU stands for Insulating Glass Unit and it is the dual pane glass sandwich part of your window.
Seal failures used to be quite common, but the materials and technology used in todays dual pane windows makes seal failures much less common than they used to be.

If your windows are two years old, then you are almost certainly under warranty and the IGU will be replaced. Depending on the window manufacturer, your windows could have a warranty extending 20 years or more.

Replacing an IGU is really a rather simple and inexpensive procedure that can be completed in well under an hour by an experienced installer.
The larger window manufacturers actually have technicians that travel the country "fixing" assorted problems, so it is not impossible that you might be seviced by a factory technician.

Hopefully when you called your builder he either called the manufacturer or at least directed you to the right people to contact. If he was no help, then can you post who the manufacturer is and possibly someone here can direct you to the correct folks to get the IGU replaced.

Good luck, and btw, despite the fog in the window, the energy performance isn't substantially reduced with a seal failure, so the time it takes to get the window replaced will not cause you to have a horrible energy "black hole" in that window.

Thank you so much. I am going to call the builder now and see what he says. I will keep you posted.

I called the builder got the number of the window people. I have to call them back with the bar code from the window so they can order a new one. I assume they will install it since they are the ones that put the first one in. I'll let you know how I make out. Thanks again.