HPWH Lab Report_AOSmith_PHPT_02.13.2012

The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. and Cascade Engineering Services Inc., to conduct a laboratory assessment of the AO Smith Voltex hybrid heat pump water heater (HPWH) for northern climate installations.  Using a testing plan developed by Ecotope to assess heat pump water heater performance, Cascade Engineering Services evaluated the AO Smith Voltex.  The project examined both tank model sizes:  60 gallons and 80 gallons. 

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