Ashrae Envelope Requirements: 2A
ASHRAE 90.1-2022 building envelope thermal requirements by climate zone and assembly type — maximum U-values, minimum R-values, maximum SHGC for non-residential construction
| climate zone | assembly type | max U value (Btu/h/ft2/F) | notes |
|---|---|---|---|
| 2A | mass_wall | 0.151 | R-13.3ci; brick or CMU; hot humid |
| 2A | metal_frame_wall | 0.064 | Zone 2A: Houston TX; hot humid |
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