Mandatory
1. Windows, doors, fenestration must be rated for leakage
2. All window, door, fenestration U-factor and Solar Heat Gain information must come from either default tables, appendix table (< 100,000 sf), or NFRC rating procedure
3. Building products must be labeled
4. Minimum R-13 on residential walls
Prescriptive
5. Envelope component basis – per tables
6. Overall Envelope – formula
Performance
7. Energy Budget