Content Analysis: This is Part 4 in the exclusive

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Module 8: Performance path options (R405 and R406), and additional efficiency path options
What is a Performance Path? | APA Performance Path Basics
Module 8   Validation and Performance Testing
2021 IECC Residential Additional Efficiency Options
Energy Code - Module 4: Window & Insulation Tables (Climate Zones 6, 7 & 8)