Zero Energy Certification 1.1 Program Manual
April 2025
  • April 2025
Table of Contents
Zero Energy Certification 1.1 Program Manual
  • April 2025
    • Zero Energy Certification 1.1 Program Manual — April 2025
GrabGrab
GrabGrab
  • April 2025
  • Copyright
  • Acknowledgments
  • Executive Summary
  • Call to Action
  • Introduction
    • Introduction to Zero Energy Certification
      • How Zero Energy Certification Works
    • How to Use the Program Manual
    • Additional Tools and Support
    • Other ILFI Programs
  • Zero Energy Certification Compliance Details
    • Project Boundary
    • Typology
    • Scale Jumping
    • Intent + Requirements
    • Clarifications
      • Energy Budget Clarifications
      • Energy Use Clarifications
      • Performance Period Clarifications
      • Renewable Energy Clarifications
      • Scale Jumping
    • Exceptions
    • Documentation Requirements
    • Case Studies
    • Resources
  • ILFI Program Glossary
    • A-G Terms
    • H-P Terms
    • Q-Z Terms
  • Summary of Changes
    • April 2025 Updates
      • Changes to Clarifications (Q1 2025)
    • October 2024 Updates
      • Changes to Energy Budget, Energy Use, and Renewable Energy (Q3 24)
      • Changes to Documentation Requirements (Q3 24)
    • Previous versions of the Program Manual
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April 2025 Updates

This summary lists the April 2025 updates to the Zero Energy Program Manual originally published April 2024. Corrections made throughout for grammar, punctuation, nomenclature, typos, and links are not included. Previous iterations of the Zero Energy 1.1 Program Manual are available to download here.

Summary of Changes
Changes to Clarifications (Q1 2025)
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