End-Use Savings Shapes slide image

End-Use Savings Shapes

New EUSS 2023 Release 2 Measures Measure Name Description Heat Pump Rooftop Unit (HP-RTU) With Replace gas and electric RTUs with HP-RTU. Backup heat source Original Fuel Backup matches fuel type of the original system. Air to Water HP Boiler Retrofit With Gas Replace gas boilers with heat pump boilers. Gas boiler used for backup Backup % of Stock Floor Area 36% 33% heat source. Variable Refrigerant Flow (VRF) With Dedicated Outdoor Air System (DOAS) Replaces air handling units (AHUS) with a VRF DOAS. 53% Demand Control Ventilation (DCV) Adds DCV to AHUS that do not have them. 73% Energy Recovery Package 1: Envelope Package 2: Lighting + HVAC Adds heat or energy recovery to AHUS that do not have them. Combines wall insulation, roof insulation, and new windows measures. Combines LED lighting and HP-RTU or HP-boiler measures. 70% 100% 89% Package 3: Envelope + Lighting + HVAC Combines packages 1 and 2. 100% NREL 22
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