Manufacturer Profile
Brown Window
View all NRCan-certified window series and their energy efficiency metrics.
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Product Series
38.2
Avg ER Score
Certified Product Series
FIXEDPICTURE-180
Vinyl
Top Variants by Energy Rating
#NR5937-1...
U-Factor: 1.29ER: 43
#NR5937-1...
U-Factor: 1.32ER: 41
#NR5937-4...
U-Factor: 1.56ER: 40
475-FIXEDPICTURE
Vinyl
Top Variants by Energy Rating
#NR5937-3...
U-Factor: 0.81ER: 49
#NR5937-3...
U-Factor: 0.9ER: 48
#NR5937-3...
U-Factor: 0.81ER: 46
475-CASEMENT
Vinyl
Top Variants by Energy Rating
#NR5937-3...
U-Factor: 0.97ER: 40
#NR5937-3...
U-Factor: 1.04ER: 39
#NR5937-3...
U-Factor: 0.97ER: 38
475-FIXEDCASEMENT
Vinyl
Top Variants by Energy Rating
#NR5937-3...
U-Factor: 0.84ER: 46
#NR5937-3...
U-Factor: 0.92ER: 45
#NR5937-3...
U-Factor: 0.84ER: 44
475-AWNING
Vinyl
Top Variants by Energy Rating
#NR5937-3...
U-Factor: 1.05ER: 39
#NR5937-3...
U-Factor: 0.98ER: 39
#NR5937-3...
U-Factor: 0.98ER: 38
FIXEDCASEMENT-180
Vinyl
Top Variants by Energy Rating
#NR5937-1...
U-Factor: 1.35ER: 36
#NR5937-1...
U-Factor: 1.38ER: 34
#NR5937-4...
U-Factor: 1.57ER: 34
AWNING-180
Vinyl
Top Variants by Energy Rating
#NR5937-1...
U-Factor: 1.37ER: 35
#NR5937-1...
U-Factor: 1.37ER: 35
#NR5937-4...
U-Factor: 1.56ER: 34
CASEMENT-180
Vinyl
Top Variants by Energy Rating
#NR5937-1...
U-Factor: 1.33ER: 36
#NR5937-1...
U-Factor: 1.35ER: 34
#NR5937-4...
U-Factor: 1.54ER: 34