Performance of residential solar heating and cooling system with flat-plate and evacuated tubular collectors: CSU Solar House I
Measurements in Solar House I at Colorado State University have provided comparison data on space heating, water heating, and cooling by systems in which flat-plate collectors and evacuated tube collectors were used. Data were procured on 47 days during operation of the flat-plate collector and on 112 days when the house was heated or cooled by the evacuated tube collector system. It was concluded that the system comprising an evacuated tubular collector, lithium bromide absorption water chiller, and associated equipment is highly effective in providing space heating and cooling to a small building, that it can supply up to twice the space heating and several times the cooling obtainable from an equal occupied area of good quality flat-plate collectors, and that a greater fraction of the domestic hot water can be obtained by supplying its heat from main storage. The cost-effectiveness of the system, in comparison with one employing a good flat-plate collector, can be determined when commercial pricing data are made available. A summary of monthly and annual energy use for space heating, domestic hot water (DHW) heating, and space cooling is presented. The collector performance is presented. The first two months of data were obtained with the system employing flat-plate collectors, whereas heating and cooling during the following nine months were supplied by the evacuated tube collector system.
- Research Organization:
- Colorado State Univ., Fort Collins (USA). Solar Energy Applications Lab.
- OSTI ID:
- 6497200
- Report Number(s):
- COO-2577-17; CONF-7804101-1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
140907 -- Solar Thermal Utilization-- Water Heating
ABSORPTION REFRIGERATION CYCLE
AIR CONDITIONING
APPLIANCES
BUILDINGS
ELECTRIC APPLIANCES
EQUIPMENT
EVACUATED COLLECTORS
EVACUATED TUBE COLLECTORS
FLAT PLATE COLLECTORS
GAS APPLIANCES
HEATERS
HEATING
HEATING SYSTEMS
HOUSES
PERFORMANCE
RESIDENTIAL BUILDINGS
SOLAR AIR CONDITIONING
SOLAR COLLECTORS
SOLAR COOLING SYSTEMS
SOLAR HEATING
SOLAR HEATING SYSTEMS
SOLAR SPACE HEATING
SOLAR WATER HEATERS
SOLAR WATER HEATING
SPACE HEATING
WATER HEATERS