Energy Code  - Links and Documents

Useful Websites

• Massachusetts Building Energy Code (Stretch Code)
• RESCheck
• Find a Certified HERS Rater

Informative Print-Off's

• Stretch Energy Code (appendix AA)
• IECC 2021 Stretch Energy Code - Existing Building Flow Chart
• Energy Codes and Standards Update
• 2025 Massachusetts Stretch State Code Updates **NEW!**