Haw. Code R. § tit. 3, Building Code Council, State Energy Conservation Code, subch. 2, 20

Current through November, 2024
INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT

IECC Table R402.1.2 is added to the table:

Window SHGC Requirements

Projection Factor of overhang from base of average window sill

SHGC

.25

<30 - .50

.40

[GREATER THAN OR EQUAL TO].50

N/A

Exception: North-facing windows with pf [GREATER THAN] .20 are exempt from the SHGC requirement. Overhangs shall extend 2 feet on each side of window or to nearest wall, whichever is less.

Haw. Code R. tit. 3, Building Code Council, State Energy Conservation Code, subch. 2, 20

[Eff 12/15/2020]