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Perform energy audits and sell retrofits
Use the best energy modeling software and perform energy audits with confidence. TREAT is market tested for over a decade with thousands of active users enjoying accurate results. DOE-approved for all residential building types including multifamily.
Training: Browse classes and register
Our professional classroom and online training courses educate students on the latest techniques, trends, and standards in the home performance industry and prepare students to become part of the energy efficiency industry.