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Certified Window

DRUTEX IGLO ENERGY Classic Fixed & Tilt & Turn

DRUTEX S A Blue Path Certified (Valid through 2026-06-06) NFRC Product # DRU-K-5-00262-00001 NFRC Lite Two Product # DRU-K-6-00252-00001

Overview

U-Value, Whole Window

0.15 BTU/hr·ft²·°F 0.84 W/m²K
U-Value, Center of glass (U-COG)

0.10 BTU/hr·ft²·°F 0.59 W/m²K
SHGC-COG

0.308
Operation Type

Combination
Frame Material

Vinyl
IGU Panes

Triple
Glazing Name

SGG Cool-Lite SKN176 / ARG90 / SGG PlaniClear / ARG90 / SGG PlaniTherm XN (6mm/4mm/4mm)
Rec. Climate Zone(s)
- 1
- 2
- 3C
- 3B
- 3A
- 4C
- 5C
- 4A
- 4B
- 5A
- 5B

IGU (Glazing) Information

Panes

Triple
Gas Fill

Argon
Spacer

SWISSPACER ULTIMATE

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

Lite One	Head	Upper Meeting Rail	Upper Left Jamb	Upper Right Jamb
Frame height	2.95 in 75 mm	2.95 in 75 mm	2.95 in 75 mm	5.94 in 151 mm
U-Frame	0.21 BTU/hr·ft²·°F 1.22 W/m²K	0.21 BTU/hr·ft²·°F 1.22 W/m²K	0.23 BTU/hr·ft²·°F 1.3 W/m²K	0.24 BTU/hr·ft²·°F 1.36 W/m²K
PSI-Spacer	0.006 BTU/hr·ft·°F 0.01 W/mK	0.006 BTU/hr·ft·°F 0.01 W/mK	0.006 BTU/hr·ft·°F 0.011 W/mK	0.007 BTU/hr·ft·°F 0.012 W/mK

Lite Two	Lower Meeting Rail	Sill	Lower Left Jamb	Lower Right Jamb
Frame height	4.92 in 125 mm	4.92 in 125 mm	5.94 in 151 mm	4.92 in 125 mm
U-Frame	0.23 BTU/hr·ft²·°F 1.3 W/m²K	0.23 BTU/hr·ft²·°F 1.31 W/m²K	0.24 BTU/hr·ft²·°F 1.36 W/m²K	0.23 BTU/hr·ft²·°F 1.33 W/m²K
PSI-Spacer	0.006 BTU/hr·ft·°F 0.011 W/mK	0.006 BTU/hr·ft·°F 0.011 W/mK	0.007 BTU/hr·ft·°F 0.012 W/mK	0.007 BTU/hr·ft·°F 0.011 W/mK