Comparison of IL Residential Energy Code (2021 IECC) and IL Residential Stretch Code (2021 IECC with amendments)
Comparison of IL Commercial Energy Code (2021 IECC) and IL Commercial Stretch Code (2024 IECC with amendments)
Lessons and takewaways from Massachusetts — the first state to create Stretch Codes.
Illinois Green Alliance is a membership-driven nonprofit that works to promote green buildings and sustainable communities. We believe that green infrastructure is key to strengthening neighborhoods and improving the quality of life for everyone.
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