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ODL products can help homes earn performance level points toward National Association of Home Builders (NAHB) Green certification.
The National Green Building Standard Criteria (ANSI/ICC 700-2008) establishes design, construction, and remodel practices
for green residential buildings. The Standard defines enhanced specifications for windows and doors that earn additional performance
level points. Installing ODL Tubular Skylights in rooms without windows also earns points. Visit NAHB for more details.
We're proud to be part of the NAHB's Green Building Initiative.
Example of enhanced specifications for windows and doors
and maximum certified ratings |
| Climate zone |
Maximum U-factor |
Maximum SHGC |
| Zone 4 to 8 |
0.30 |
Any |
| Zone 3 |
0.35 |
0.30 |
| Zone 1 and 2 |
0.45 |
0.30 |
| Based on table 703.3.1(a) of the National Green Building Standard |  | 