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SOURCE: Consumer
Energy Information: EREC Reference Briefs
Most tankless models have a life expectancy of more than
20 years. In contrast, storage tank water heaters last 10
to 15 years. Most tankless models have easily replaceable
parts that can extend their life by many years more.
Bibliography
This list does not cover all available sources
of information on tankless water heaters, nor is the mention
of any publication, product, service, or organization to be
considered a recommendation or endorsement.
"Efficiency of Tankless Domestic Water Heaters,"
Energy Design Update,
(7:4) pp. 6-9, April 1988.
Extended Range Tankless Water Heater,
J. Harris, Harmony Thermal Co., 1993. Available from National
Technical Information Service (NTIS), 5285 Port Royal Road,
Springfield, VA 22161; Phone: (800) 553-6847 or (703) 605-6000;
Fax: (703) 605-6900; Email: orders@ntis.gov; World Wide Web: http://www.ntis.gov/. 33 pp., $19.50, Order
Number DE 93013327.
"Going Tankless," P. du Pont, Home Energy, (6:5) pp. 34-37,
September/ October 1989.
"Indirect-Fired Water Heaters," J. Vastyan
and R. McNally, Journal of
Light Construction, (20:8) pp. 85-90, May 2002.
"Instant Hot Water-Maybe," A. Wilson, Journal of
Light Construction, (7:2) pp. 55-56, November 1988.
"Never-Ending Hot Water and Energy Savings,
Too," R. Layne, Popular Science, (228:4) pp.
106-08, 150-51, April 1986.
"On-Demand Water Heaters," J. Wagner, Journal of
Light Construction, (15:4) pp. 51-54, January 1997.
Performance of Instantaneous Gas-Fired
Water Heaters, National Bureau of Standards, 1987. Available
from NTIS, (see above). 66 pp., $27.00, Report
Number PB-87200390.
"Seisco Tankless Electric Water Heater Sets
New Standard," N. Nisson, Energy
Design Update, (17:5) pp. 14-16, May 1997.
"A Tankless Job," Z. Gaulkin, This Old House,
pp. 60-62, June 2001.
"Tankless Water Heaters," Consumer Reports,
(51:1) pp. 53-55, January 1986.
The information in this brief was reviewed
for accuracy and updated in January 2003.
EREC is operated by NCI Information Systems,
Inc. for the National Renewable Energy Laboratory/U.S. Department
of Energy. The content of this brief is based on information
known to EREC at the time of preparation. No recommendation
or endorsement of any non-US Government product or service
is implied if mentioned by EREC.
NOTICE
This report was prepared as an account of work sponsored by
an agency of the United States government. Neither the United
States government nor any agency thereof, nor any of their
employees, makes any warranty, express or implied, or assumes
any legal liability or responsibility for the accuracy, completeness,
or usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial
product, process, or service by trade name, trademark, manufacturer,
or otherwise does not necessarily constitute or imply its
endorsement, recommendation, or favoring by the United States
government or any agency thereof. The views and opinions of
authors expressed herein do not necessarily state or reflect
those of the United States government or any agency thereof.
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