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Project Info COMPLETE Project Title

Energy Performance Analysis for Heat Pump Water Heaters

Project Number PGE 0916 Organization PG&E End-use Water Heating/DHW/HPWH Sector Residential Project Year(s) 2009 - 2009
Description

This study investigates the energy savings potential of heat pump water heaters (HPWH) for single family home applications within the service territory of Pacific Gas and Electric Company (PG&E).  Heschong Mahone Group (HMG) conducted the study under the auspices of PG&E’sEmerging Technologies Program. If a HPWH is located within a conditioned space, the air cooling effects generated by the HPWH evaporator can affect the building’s HVAC system operations. During HVAC cooling operations, the HPWH cooling effects can reduce HVAC load and generate additional energy savings. However, the HPWH cooling effects will increase HVAC system energy consumption during its heating operations. This study investigates the HPWH performance and interaction with building HVAC operations to assess overall energy impacts for single family homes located in PG&E service territories.

For more information, please contact the sponsoring organization.





 

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The ETCC is funded in part by ratepayer dollars and the California IOU Emerging Technologies Program, the IOU Codes & Standards Planning & Coordination Subprograms, and the Demand Response Emerging Technologies (DRET) Collaborative programs under the auspices of the California Public Utilities Commission. The municipal portion of this program is funded and administered by Sacramento Municipal Utility District and Los Angeles Department of Water and Power.