Manufacturer Profile
Derchi
View all NRCan-certified window series and their energy efficiency metrics.
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Product Series
28.7
Avg ER Score
Certified Product Series
FW-LOW
Aluminum
Top Variants by Energy Rating
#NR14320-...
U-Factor: 0.91ER: 43
#NR14320-...
U-Factor: 1.02ER: 42
FW-TSLOW
Aluminum
Top Variants by Energy Rating
#NR14320-...
U-Factor: 0.79ER: 30
#NR14320-...
U-Factor: 0.85ER: 29
#NR14320-...
U-Factor: 0.85ER: 29
FW-DSLOW
Aluminum
Top Variants by Energy Rating
#NR14320-...
U-Factor: 0.85ER: 31
#NR14320-...
U-Factor: 0.79ER: 31
#NR14320-...
U-Factor: 0.97ER: 31
C-TSLOW
Aluminum
Top Variants by Energy Rating
#NR14320-...
U-Factor: 1.02ER: 23
#NR14320-...
U-Factor: 1.14ER: 21
#NR14320-...
U-Factor: 1.14ER: 21
C-DSLOW
Aluminum
Top Variants by Energy Rating
#NR14320-...
U-Factor: 1.02ER: 24
#NR14320-...
U-Factor: 1.19ER: 22
#NR14320-...
U-Factor: 1.14ER: 22
C-LOW
Aluminum
Top Variants by Energy Rating
#NR14320-...
U-Factor: 1.14ER: 32