This review investigates the demand response (DR) and control capability of a Home Area Network (HAN) technology with Smart Appliances. Secondly, it discusses energy savings potential, ease of installation, and user feedback on the technology. This review describes in detail the technology and...

Project SummaryA limited evaluation of two new heat pump water heaters (HPWHs) was conducted in the water heater laboratory at the PG&E San Ramon Technology Center. The objective of the testing was to investigate the operating characteristics of HPWHs in comparison with other types, and their...

Project Summary Field test showed ozone injection system in a jail reduces 88.1% of gas and 18.8% of total water usage, plus unspecified detergent and...

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...

Project Summary The purpose of the Suncache demonstration project was to evaluate in-situ performance of SunCache solar water heating systems in residential applications. A SunCache solar collector (or an array of collectors) was installed at two multi-family residential sites and six...

Project Summary:A laboratory dedicated to water heating was designed and built at the PG&E San Ramon Technology Center. The overall goal of the water heater lab is to identify energy efficiency opportunities and verify the energy savings potential as related to both residential and commercial...

Project Summary: Storage gas water heaters are the predominant residential water heating appliance used in Pacific Gas and Electric Company (PG&E) service territory and throughout California. Gas storage water heaters are characterized by low first cost, hot water delivery characteristics...

Project SummaryThis project will investigate technical opportunities for and barriers to tankless (a.k.a. instantaneous) natural gas water heater use in residential single family and multi-family buildings, initially for new construction applications and in the future, for retrofit applications....