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National Institute of Building Sciences (NIBS) National Renewable Energy Laboratory (NREL) National Renewable Energy Labratory ORNL Building & Thermal Insulation Systems Partnership for Advanced Technology in Housing (PATH) PG&E Tarriffs Residential Energy Efficiency Database (REED) Residential Energy Services Network (RESNET) Rocky Mountain Institute U.S. Department of Energy U.S. Department of Energy, Office of Building Technology (EREN) Weatherization Managers Association