Manufacturer Profile
Boardwalk Woodworking Ltd.
View all NRCan-certified window series and their energy efficiency metrics.
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Product Series
29.9
Avg ER Score
Certified Product Series
BWM-2020PC
Wood
Top Variants by Energy Rating
#NR6937-3...
U-Factor: 1.2ER: 34
#NR6937-3...
U-Factor: 1.22ER: 33
#NR6937-3...
U-Factor: 1.22ER: 33