Manufacturer Profile
Westeck Windows Manufacturing Inc.
View all NRCan-certified window series and their energy efficiency metrics.
Visit Official Website →23
Product Series
31.6
Avg ER Score
Certified Product Series
COR80_FIXED_E272/AIR/CLR/AIR/I89(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.19ER: 31
#NR6739-4...
U-Factor: 1.19ER: 31
#NR6739-4...
U-Factor: 1.19ER: 31
COR80_FIXED_CLR/AIR/CLR/AIR/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.36ER: 38
#NR6739-4...
U-Factor: 1.36ER: 38
#NR6739-4...
U-Factor: 1.36ER: 38
COR80_FIXED_E272/ARG90/CLR/ARG90/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 0.97ER: 36
#NR6739-4...
U-Factor: 0.97ER: 36
#NR6739-4...
U-Factor: 0.97ER: 36
COR80_FIXED_CLR/ARG90/CLR/ARG90/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.19ER: 42
#NR6739-4...
U-Factor: 1.19ER: 42
#NR6739-4...
U-Factor: 1.19ER: 42
COR80_FIXED_E366/AIR/CLR/AIR/I89(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.14ER: 26
#NR6739-4...
U-Factor: 1.14ER: 26
#NR6739-4...
U-Factor: 1.14ER: 26
COR80_FIXED_E270/AIR/CLR/AIR/I89(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.19ER: 29
#NR6739-4...
U-Factor: 1.19ER: 29
#NR6739-4...
U-Factor: 1.19ER: 29
COR80_FIXED_E270/AIR/CLR/AIR/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 32
#NR6739-4...
U-Factor: 1.08ER: 32
#NR6739-4...
U-Factor: 1.08ER: 32
COR80_FIXED_E272/ARG90/CLR/ARG90/I89(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 33
#NR6739-4...
U-Factor: 1.08ER: 33
#NR6739-4...
U-Factor: 1.08ER: 33
COR80_FIXED_E272/AIR/CLR/AIR/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 33
#NR6739-4...
U-Factor: 1.08ER: 33
#NR6739-4...
U-Factor: 1.08ER: 33
COR80_FIXED_E180/ARG90/CLR/ARG90/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 0.97ER: 45
#NR6739-4...
U-Factor: 0.97ER: 45
#NR6739-4...
U-Factor: 0.97ER: 45
COR80_FIXED_E270/ARG90/CLR/ARG90/I89(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 32
#NR6739-4...
U-Factor: 1.08ER: 32
#NR6739-4...
U-Factor: 1.08ER: 32
COR80_FIXED_E366/ARG90/CLR/ARG90/E272(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 0.91ER: 31
#NR6739-4...
U-Factor: 0.91ER: 31
#NR6739-4...
U-Factor: 0.91ER: 31
COR80_FIXED_E272/ARG90/CLR/ARG90/CLR(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.19ER: 32
#NR6739-4...
U-Factor: 1.19ER: 32
#NR6739-4...
U-Factor: 1.19ER: 32
COR80_FIXED_E366/ARG90/CLR/ARG90/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 0.91ER: 31
#NR6739-4...
U-Factor: 0.91ER: 31
#NR6739-4...
U-Factor: 0.91ER: 31
COR80_FIXED_E270/ARG90/CLR/ARG90/E272(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 0.91ER: 35
#NR6739-4...
U-Factor: 0.91ER: 35
#NR6739-4...
U-Factor: 0.91ER: 35
COR80_FIXED_E366/AIR/CLR/AIR/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 28
#NR6739-4...
U-Factor: 1.08ER: 28
#NR6739-4...
U-Factor: 1.08ER: 28
COR80_FIXED_E366/AIR/CLR/AIR/E272(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 28
#NR6739-4...
U-Factor: 1.08ER: 28
#NR6739-4...
U-Factor: 1.08ER: 28
COR80_FIXED_E270/AIR/CLR/AIR/E272(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 31
#NR6739-4...
U-Factor: 1.08ER: 31
#NR6739-4...
U-Factor: 1.08ER: 31
COR80_FIXED_E270/ARG90/CLR/ARG90/CLR(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.19ER: 29
#NR6739-4...
U-Factor: 1.19ER: 29
#NR6739-4...
U-Factor: 1.19ER: 29
COR80_FIXED_E180/AIR/CLR/AIR/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.08ER: 42
#NR6739-4...
U-Factor: 1.08ER: 42
#NR6739-4...
U-Factor: 1.14ER: 41
COR80_FIXED_E270/ARG90/CLR/ARG90/E180(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 0.91ER: 35
#NR6739-4...
U-Factor: 0.91ER: 35
#NR6739-4...
U-Factor: 0.91ER: 34
COR80_FIXED_E366/ARG90/CLR/ARG90/CLR(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.19ER: 26
#NR6739-4...
U-Factor: 1.19ER: 26
#NR6739-4...
U-Factor: 1.19ER: 26
COR80_FIXED_E366/ARG90/CLR/ARG90/I89(4MM/4MM/4MM)-1
Aluminum
Top Variants by Energy Rating
#NR6739-4...
U-Factor: 1.02ER: 29
#NR6739-4...
U-Factor: 1.02ER: 29
#NR6739-4...
U-Factor: 1.02ER: 29