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Energy savings resulting from a ground-coupled air-to-air heat pump

Conference · · Proc., Intersoc. Energy Convers. Eng. Conf.; (United States)
OSTI ID:5918838
Considerable energy savings can be obtained by preheating or precooling the air source of a heat pump using the heat or the coolness naturally stored in the earth under a house with a crawl space. Experiments have been performed during the winter and summer seasons with three identical unoccupied houses equipped with heat pumps in three different configurations: conventional, single pass, and total recirculation mode. The house with the total recirculation mode has the highest energy savings in winter ( about10% of the energy used in the conventional house). The house with the single pass mode is the most advantageous configuration in summer, with estimated energy savings of about3%. Recommendations concerning implementation of ground-coupled systems are outlined.
Research Organization:
Oak Ridge National Laboratory, Oak Ridge, TN
OSTI ID:
5918838
Report Number(s):
CONF-840804-
Conference Information:
Journal Name: Proc., Intersoc. Energy Convers. Eng. Conf.; (United States) Journal Volume: 2
Country of Publication:
United States
Language:
English