ENERGY STAR Rated Replacement Windows – Air Leaks 2

Yesterday in our Leaks 1 article, we wrote about how one of the slider type of ENERGY STAR rated replacement windows had developed an air leak only  after about 1 year from its installation date.

Today, the second window with an air leak.

This one was really surprising to us because this window was in the family room, the large 8 foot wide by 5 foot high window area, shown in the fall season in the picture below.

family room ENERGY STAR Rated Replacement Windows   Air Leaks 2

No, it was not one of the small sliders at the lower part of the large window opening. Rather it was in one of the two very large stationary windows.

window interior moisture family room 4 ENERGY STAR Rated Replacement Windows   Air Leaks 2

Here’s another closeup of the moisture build-up in the  lower right of the stationary window on the left:

window interior moisture family room 2 ENERGY STAR Rated Replacement Windows   Air Leaks 2

So, even stationary windows can develop air leaks causing the moisture build-up inside.

What the heck will the salesperson say to us when I call him up to tell him that two of his company’s ENERGY STAR rated windows which cost us an arm and a leg have air leaks?

To continue to the next article in this series, simply select this link to Part 3.

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