Certified Window

Pella 250 Series Casement Window

Pella Corporation Blue Path Certified (Valid) NFRC Product # PEL-N-239-00073-00004

Overview

  • U-Value, Whole Window

    0.20 BTU/hr·ft²·°F 1.11 W/m²K

  • U-Value, Center of glass (U-COG)

    0.17 BTU/hr·ft²·°F 0.95 W/m²K

  • SHGC-COG

    0.311

  • Operation Type

    Operable

  • Frame Material

    Vinyl

  • IGU Panes

    Triple

  • Glazing Name

    3mm LoE 270 #2/ARG/3mm Clear/ 3mm LoE 270 #5

  • Rec. Climate Zone(s)

    • 1
    • 2
    • 3C
    • 3B
    • 3A
    • 5C
    • 4C

IGU (Glazing) Information

  • Panes

    Triple

  • Gas Fill

    Argon

  • Spacer

    Pella SU-D - Stainless Steel, Butyl Sealant

Download

  • PDF Certificate

    Phius product certificates provide the component-level data needed for actual-size thermal performance calculations. Phius Blue Path and Orange Path certificates are functionally equivalent for use in Phius Project Certification.

Frame Information

Head Sill Left Jamb Right Jamb
Frame height 3.11 in 79 mm 3.11 in 79 mm 3.11 in 79 mm 3.11 in 79 mm
U-Frame 0.21 BTU/hr·ft²·°F 1.19 W/m²K 0.21 BTU/hr·ft²·°F 1.19 W/m²K 0.21 BTU/hr·ft²·°F 1.18 W/m²K 0.21 BTU/hr·ft²·°F 1.18 W/m²K
PSI-Spacer 0.011 BTU/hr·ft·°F 0.019 W/mK 0.011 BTU/hr·ft·°F 0.019 W/mK 0.012 BTU/hr·ft·°F 0.02 W/mK 0.012 BTU/hr·ft·°F 0.02 W/mK

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