Updated energy codes improve energy efficiency specifications, include more pathways to compliance, clarify sections, and offer free training and software to help with compliance and enforcement. Codes reduce load demand and lower operational costs for owners. NEEP works with states and jurisdictions across the Northeast and Mid-Atlantic regions to update base energy codes to ensure that consumers receive the benefits.

There are two primary model energy codes adopted in the U.S.: the International Energy Conservation Code (IECC) published by the International Code Council (ICC), and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) standards. Check out NEEP’s Model Codes page to learn more.  

With proper support, updating base energy codes helps standardize industry practices, improves homes and building energy efficiency and resilience, and saves homeowners and states energy and money. 

Drive Regional Energy Efficiency

A more efficient energy future starts with action today. Your gift supports real change: lower energy bills, cleaner air, local jobs, and healthier communities. Every dollar helps NEEP advance smarter energy solutions across the Northeast and Mid-Atlantic.

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