Performance Comparison of Residential Hot Water Systems; Period of Performance: January 30, 2001 through July 29, 2002

C Barley; Dennis Barley

Performance Comparison of Residential Hot Water Systems; Period of Performance: January 30, 2001 through July 29, 2002

C Barley, Dennis Barley (NREL Technical Monitor)

Building Technologies and Science Center

Research output: NREL › Subcontract Report

Abstract

A laboratory test experiment was conducted to measure the energy performance of two different types of water heaters--electric storage tank and demand (tankless)--in two types of plumbing distribution systems--copper piping in a tree configuration and cross-linked polyethylene (PEX) piping in a parallel configuration. Two water-usage patterns were used in the week-long experiments and in theannual simulations: one representing a high-usage home and the other representing a low-usage home. Results of weekly performance testing and annual simulations of electric water-heating systems are presented.

Original language	American English
Number of pages	61
State	Published - 2003

Bibliographical note

Work performed by NAHB Research Center, Upper Marlboro, Maryland

NREL Publication Number

NREL/SR-550-32922

Keywords

copper piping in tree configuration
cross-linked polyethylene piping
demand water storage
electric storage tank
residential hot water systems
water-heating systems

Access to Document

https://www.nrel.gov/docs/fy03osti/32922.pdf

Cite this

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title = "Performance Comparison of Residential Hot Water Systems; Period of Performance: January 30, 2001 through July 29, 2002",

abstract = "A laboratory test experiment was conducted to measure the energy performance of two different types of water heaters--electric storage tank and demand (tankless)--in two types of plumbing distribution systems--copper piping in a tree configuration and cross-linked polyethylene (PEX) piping in a parallel configuration. Two water-usage patterns were used in the week-long experiments and in theannual simulations: one representing a high-usage home and the other representing a low-usage home. Results of weekly performance testing and annual simulations of electric water-heating systems are presented.",

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AB - A laboratory test experiment was conducted to measure the energy performance of two different types of water heaters--electric storage tank and demand (tankless)--in two types of plumbing distribution systems--copper piping in a tree configuration and cross-linked polyethylene (PEX) piping in a parallel configuration. Two water-usage patterns were used in the week-long experiments and in theannual simulations: one representing a high-usage home and the other representing a low-usage home. Results of weekly performance testing and annual simulations of electric water-heating systems are presented.

KW - copper piping in tree configuration

KW - cross-linked polyethylene piping

KW - demand water storage

KW - electric storage tank

KW - residential hot water systems

KW - water-heating systems

M3 - Subcontract Report

ER -

Performance Comparison of Residential Hot Water Systems; Period of Performance: January 30, 2001 through July 29, 2002

Abstract

Bibliographical note

NREL Publication Number

Keywords

Access to Document

Fingerprint

Cite this