Manufacturer Profile
Northern Window Manufacturing Ltd.
View all NRCan-certified window series and their energy efficiency metrics.
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Product Series
38.0
Avg ER Score
Certified Product Series
3050AWNING/CL/ARG/LOF/ARG/CL/3MM/Reinforced
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.31ER: 37
3050AWNING/CL/ARG/LOF/ARG/CL/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.29ER: 37
3000CASEMENT/CL/ARG/LOF/ARG/CL/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.3ER: 36
3000CASEMENT/CL/ARG/LOF/ARG/CL/3MM/REINFORCED
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.31ER: 37
3000CASEMENT/CL/ARG/LOF/ARG/CL/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.29ER: 37
3000CASEMENT/CL/ARG/LOF/ARG/CL/4MM/REINFORCED
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.32ER: 36
3400SS/CL/ARG/LOF/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.77ER: 34
3400SS/CL/ARG/LOF/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.78ER: 34
3450SH/CL/ARG/LOF/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.76ER: 34
3450SH/CL/ARG/LOF/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.77ER: 34
3200PICTURE/CL/ARG/LOF/ARG/CL/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.28ER: 46
3200PICTURE/CL/ARG/LOF/ARG/CL/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.26ER: 47
3200PICTURE/CL/ARG/LOF/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.71ER: 40
3200PICTURE/CL/ARG/LOF/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.72ER: 40
3100FIXED/CL/ARG/LOF/ARG/CL/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.27ER: 42
3100FIXED/CL/ARG/LOF/ARG/CL/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.26ER: 43
3100FIXED/CL/ARG/LOF/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.66ER: 36
3100FIXED/CL/ARG/LOF/3MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.67ER: 37
3050AWNING/CL/ARG/LOF/ARG/CL/4MM/Reinforced
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.33ER: 36
3050AWNING/CL/ARG/LOF/ARG/CL/4MM
Vinyl
Top Variants by Energy Rating
#NR7258-3...
U-Factor: 1.31ER: 36