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Field Performance of Three Residential Heat Pumps in the Heating Mode
The report presents the results of a field performance study of three heat pumps operating in the heating mode. The objective of this study was to evaluate the thermal, energy, defrosting, cycling, and other related performance under in-situ conditions and to confirm the validity of Department of Energy (DoE) test procedures by comparing these field results with those obtained in the laboratories. The seasonal COPs without auxiliary heat were 1.83, 2.31, and 1.92. The seasonal COPs with auxiliary heat were 1.71, 1.95, and 1.60. General agreement was found in two houses for cycling rates and building load estimation. Defrost penalty was found to be light above 40 deg F. One house was analyzed for cyclic performances. The cyclic degradation factor (CD) was found to be worse than the optional factor (0.25) of the DoE procedure.
Field Performance of Three Residential Heat Pumps in the Heating Mode
The report presents the results of a field performance study of three heat pumps operating in the heating mode. The objective of this study was to evaluate the thermal, energy, defrosting, cycling, and other related performance under in-situ conditions and to confirm the validity of Department of Energy (DoE) test procedures by comparing these field results with those obtained in the laboratories. The seasonal COPs without auxiliary heat were 1.83, 2.31, and 1.92. The seasonal COPs with auxiliary heat were 1.71, 1.95, and 1.60. General agreement was found in two houses for cycling rates and building load estimation. Defrost penalty was found to be light above 40 deg F. One house was analyzed for cyclic performances. The cyclic degradation factor (CD) was found to be worse than the optional factor (0.25) of the DoE procedure.
Field Performance of Three Residential Heat Pumps in the Heating Mode
J. Y. Kao (author) / W. J. Mulroy (author) / D. A. Didion (author)
1987
80 pages
Report
No indication
English
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