Guidance for Deemed Measures History: Residential Central Air Conditioning DEER2026 EUL Update

File Start Date End Date Date posted Notes
Residential_Central_Air_Con_1QayFw4.pdf 2024 Sep 18 This guidance document provides guidance and background on an update to the Residential Central Air Conditioner EUL (HV-ResAC) based on secondary research and a more detailed review of the 2023 Residential and Commercial DHW and HVAC EUL studies. The 'HV-ResAC' EUL is updated to 23 years for DEER2026.