Ashrae Envelope Requirements: 5A
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 |
|---|---|---|---|
| 5A | mass_wall | 0.09 | R-11.4ci minimum |
| 5A | metal_frame_wall | 0.064 | Zone 5A: Chicago IL; cold humid |
This is a sample. Search the full ashrae envelope requirements dataset and 300+ more by creating a free account and accessing the database.
Get started for FREE