How to Certify ENERGY STAR Modular Homes Technical Bulletin, November 29, 2018

Last updated: 03-17-2021
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ENERGY STAR had long offered two ways to certify modular homes: a plant-certification path and a Rater-verification path. With the introduction of Revision 09, the infrequently used plant-certification was eliminated to reduce potential marketplace confusion. Going forward, all modular homes permitted after January 1, 2019 should be verified using the same Rater-based process and program requirements as site-built homes.