Ken's Abode
my home improvements
Jul 4, 2005
Window performance
Here are the published numbers for the windows I've installed so far. Low numbers are better.
Type
U-factor
Solar
Pella
Fixed
0.27
0.31
Casement
0.30
0.28
Certainteed
Glider
0.38
0.28
Awning
0.38
0.25
Andersen
Glider
0.35
0.33
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