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Vapor-compression heat pump system field tests at the TECH complex

Conference · · AIP Conf. Proc.; (United States)
OSTI ID:6185280
The Tennessee Energy Conservation in Housing (TECH) complex has been utilized since 1977 as a field test site for several novel and conventional heat pump systems for space conditioning and water heating. Systems tested include the Annual Cycle Energy System (ACES), solar assisted heat pumps (SAHP) both parallel and series, two conventional air-to-air heat pumps, an air-to-air heat pump with desuperheater water heater, and horizontal coil and multiple shallow vertical coil ground-coupled heat pumps (GCHP). A direct comparison of the measured annual performance of the test systems was not possible. However, a cursory examination revealed that the ACES had the best performance, however, its high cost makes it unlikely that it will achieve wide-spread use. Costs for the SAHP systems are similar to those of the ACES, but their performance is not as good. Integration of water heating and space conditioning functions with a desuperheater yielded significant efficiency improvement at modest cost. The GCHP systems performed much better for heating than for cooling and may well be the most efficient alternative for residences in cold climates. 27 references, 12 figures, 9 tables.
Research Organization:
Oak Ridge National Lab., TN
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6185280
Report Number(s):
CONF-850414-
Conference Information:
Journal Name: AIP Conf. Proc.; (United States) Journal Volume: 135
Country of Publication:
United States
Language:
English

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Related Subjects

29 ENERGY PLANNING, POLICY, AND ECONOMY
291000 -- Energy Planning & Policy-- Conservation
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320100* -- Energy Conservation
Consumption
& Utilization-- Buildings
320300 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes
AIR CONDITIONERS
AIR SOURCE HEAT PUMPS
ANNUAL CYCLE ENERGY SYSTEM
BUILDINGS
ENERGY CONSERVATION
ENERGY SYSTEMS
EQUIPMENT
FIELD TESTS
GROUND SOURCE HEAT PUMPS
HEAT PUMPS
HEATING SYSTEMS
RESIDENTIAL BUILDINGS
SOLAR AIR CONDITIONERS
SOLAR COOLING SYSTEMS
SOLAR EQUIPMENT
SOLAR HEATING SYSTEMS
SOLAR-ASSISTED HEAT PUMPS
TESTING
VAPOR COMPRESSION REFRIGERATION CYCLE