Case Studies

Showing results 1 - 9 of 9

Author(s)
Hoeschele,
Weitzel,
Backman
Organization(s)
ARBI
Publication Date
Description
This project completed a modeling evaluation of a hybrid gas water heater that combines a reduced capacity tankless unit with a downsized storage tank. This product would meet a significant market need by providing a higher efficiency gas water heater solution for retrofit applications while...
Author(s)
Hoeschele,
Seitzler
Organization(s)
ARBI
Publication Date
Description
Heat pump water heaters offer a significant opportunity to improve water heating performance for the over 40% of U.S. households that heat domestic hot water using electric resistance storage water heaters. Numerous field studies have also been completed documenting performance in a variety of...
Author(s)
Colon,
Martin
Organization(s)
BA-PIRC
Publication Date
Description
The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential...
Author(s)
Colon,
Martin
Organization(s)
BA-PIRC
Publication Date
Description
The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential...
Author(s)
Schirber,
Schoenbauer
Organization(s)
NorthernSTAR
Publication Date
Description
High performance water heaters are typically more time consuming and costly to install in retrofit applications, making high performance water heaters difficult to justify economically. However, recent advancements in high performance water heaters have targeted the retrofit market, simplifying...
Author(s)
Mittereder,
Poerschke
Organization(s)
IBACOS
Publication Date
Description
This case study presents a cold-climate project that examines an alternative approach to ground source heat pump (GSHP) ground loop design. The innovative ground loop design is an attempt to reduce the installed cost of the ground loop heat exchange portion of the system by containing the entire...
Author(s)
PNNL
Organization(s)
PNNL
Publication Date
Description
Tankless water heaters can deliver large quantities of hot water under changing load conditions and at a relatively constant temperature, like storage water heaters, but without suffering the standby loss (tank heat loss) of the storage water heaters.