The Model Low Energy and Carbon Code (MLECC) is an enhanced energy standard in Colorado designed to push building efficiency beyond baseline requirements. It serves as a framework for low-energy and low-carbon construction in both new homes and major renovation projects. Key aspects of the MLECC include: While the MLECC…

Yes, if you are planning a major renovation or remodel in Denver, your project will need to comply with the Model Low Energy and Carbon Code (MLECC). Denver has adopted the MLECC with a timeline that makes these standards mandatory starting in 2026. Because the code targets lower carbon emissions…

The New Colorado Model Low Energy and Carbon Code (MLECC) establishes rigorous performance benchmarks for building envelopes, focusing on high-performance insulation and enhanced air sealing to move homes toward net-zero energy readiness. Insulation Standards Insulation requirements vary by jurisdiction, with several major areas adopting the most stringent standards: Air Sealing…