Infographic explaining IECC 2024 ResCheck credits for thermal distribution, including ductless systems, interior duct placement, and duct leakage testing for Rescheck.info.

This branded infographic from Rescheck.info breaks down the four primary ways to earn energy credits under IECC 2024 Section R408.2.4. It illustrates the differences between R408.2.4(1) Ductless/Hydronic, R408.2.4(2) 100% Interior Ducts, R408.2.4(3) 80% Interior Ducts, and R408.2.4(4) Reduced Duct Leakage via Duct Blaster testing.