Guidance for Deemed Measures History: Guidance for Capacity and Energy Savings claims for SWWH028

File Start Date End Date Date posted Notes
Guidance_for_SWWH028_-_larg_RebBu7d.pdf 2026 Feb 26 2025 Feb 26 The purpose of this memo is to respond to the request for guidance on allowable capacity-based savings claims for heat pump water heating equipment. Specifically, this guidance seeks to clarify the claimable savings for the A.O. Smith CAHP-120 commercial heat pump water heater, referencing the Large Commercial Heat Pump Water Heater, Commercial and Multifamily, Fuel Substitution measure package SWWH028. This guidance also describes future modifications needed for this measure package, including conversion to EnergyPlus modelling software.