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View all NRCan-certified window series and their energy efficiency metrics.
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Product Series
30.1
Avg ER Score
Certified Product Series
VTW-CA
Vinyl
Top Variants by Energy Rating
#NR13805-...
U-Factor: 0.99ER: 40
#NR13805-...
U-Factor: 1.04ER: 26
#NR13805-...
U-Factor: 1.06ER: 26
VTW-FC
Vinyl
Top Variants by Energy Rating
#NR13805-...
U-Factor: 0.92ER: 46
#NR13805-...
U-Factor: 1.49ER: 37
#NR13805-...
U-Factor: 1.49ER: 34
VTW-AW
Vinyl
Top Variants by Energy Rating
#NR13805-...
U-Factor: 0.99ER: 40
#NR13805-...
U-Factor: 1.07ER: 26
#NR13805-...
U-Factor: 1.05ER: 26