Repeatability of Energy Consumption Test Results for Compact Refrigerators.
Repeatability of Energy Consumption Test Results for
Yashar, D. A.
NISTIR 6560; 25 p. September 2000.
Available from: National Technical Information Service
(NTIS), Technology Administration, U.S. Department of
Commerce, Springfield, VA 22161.
1-800-553-6847 or 703-605-6000;
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Order number: PB2001-100326
refrigerators; energy consumption; efficiency; test
procedures; AHAM HRF-1
Recently, the United States Department of Energy (DOE)
has been interested in examining the current procedure
that is used to measure the energy consumption of
compact refrigerators (ANSI/AHAM HRF-1). As part of the
DOE's Appliance Standards Program, NIST performed
round-robin tests of three compact refrigerators using
their facilities in Gaithersburg, MD and three
independent laboratories. The round-robin test results
revealed several major issues, which caused significant
differences in the measured energy consumption from
laboratory to laboratory. After the completion of the
round robin tests, the compact refrigerators used in
this study underwent extensive testing at NIST to
further examine the effects of the noted problems with
the procedure. This paper reports the results of the
round robin tests; and the results of the extensive
testing at NIST. This paper also suggests possible
changes to the testing procedure that would reduce
problems with the repeatability of the test results.