NFRC Certification
NFRC-Certified Windows
These window series carry NFRC energy performance ratings from the National Fenestration Rating Council. NFRC ratings cover U-factor, Solar Heat Gain Coefficient (SHGC), Visible Transmittance (VT), and Air Leakage — providing independently verified data for energy code compliance and project specifications.
Material
Aluminum
LD-X76 Series Thermal-Break Aluminum Window
NFRC
Matching Door Series Available
CasementTilt-TurnAwningFixed (Picture)
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LD-S8520 Slimline Series Thermal-Break Aluminum Window
NFRC
CasementTilt-TurnFixed (Picture)
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PRM-80 Series Aluminum Window
NFRC
Matching Door Series Available
Casement
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PRM-140 Series Aluminum Window
NFRC
Hung
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PRM-150 Series Aluminum Window
NFRC
Matching Door Series Available
Sliding
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WJ-91 Series Thermal-Break Aluminum Window
NFRC
Matching Door Series Available
CasementTilt-Turn
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WJ-110 Slim Frame Series Thermal-Break Aluminum Window
NFRC
Slim Frame Sliding
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LU-70s Landmark High Performance Thermal-Break Tilt-Turn Window
NFRC
Tilt-TurnFixed (Picture)
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LU-80s Slim Frame Thermal-Break Tilt-Turn Window
NFRC
Tilt-TurnFixed (Picture)
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LU-95s Thermal-Break Tilt-Turn Window: Commercial Application
NFRC
Tilt-TurnFixed (Picture)
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LU-110s Thermal-Break Window Wall: Commercial Application
NFRC
Matching: LU-110s Hinged Door
Window WallCasement
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