Manufacturer Profile
A1 Window Manufacturing Ltd.
View all NRCan-certified window series and their energy efficiency metrics.
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Product Series
33.3
Avg ER Score
Certified Product Series
A1W-5500HP
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 0.87ER: 42
#NR000376...
U-Factor: 0.85ER: 42
#NR000376...
U-Factor: 0.81ER: 34
A1W-ULTR
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 1.14ER: 44
#NR000376...
U-Factor: 1.15ER: 43
#NR000376...
U-Factor: 1.18ER: 42
A1W-UPRPC
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 0.85ER: 36
#NR000376...
U-Factor: 0.85ER: 36
#NR000376...
U-Factor: 0.87ER: 36
A1W-UPRCA
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 0.99ER: 27
#NR000376...
U-Factor: 0.99ER: 26
#NR000376...
U-Factor: 1.05ER: 25
A1W-5500PC
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 0.82ER: 47
#NR000376...
U-Factor: 0.82ER: 47
#NR000376...
U-Factor: 0.82ER: 46
A1W-5500TT
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 0.87ER: 42
#NR000376...
U-Factor: 0.85ER: 42
#NR000376...
U-Factor: 0.81ER: 34
A1W-UPRAW
Vinyl
Top Variants by Energy Rating
#NR000376...
U-Factor: 0.99ER: 27
#NR000376...
U-Factor: 1ER: 26
#NR000376...
U-Factor: 1.05ER: 25