Solar project description for J. D. Evans, Inc. (House A) single family residence, Columbia, Maryland
The J.D. Evans, Inc. (House A) solar energy system (Grant H-2718) is installed in a 2250 sq ft house located in Columbia, Maryland. The system is designed to provide solar energy for space heating and domestic hot water. Solar energy is collected by an array of fourteen (14) flat plate collectors with a gross area of 326 square feet. The 14 collectors are mounted on the roof of the house and face due south, at an angle of 45 degrees to the horizontal optimizing solar energy collection. Solar energy is transferred from the collector array to a 1000 gal storage tank. Water is used as the heat collection, transfer and storage medium. Freeze protection is provided by drain-down of collectors. Space heating demands are met by circulating hot water from storage through heating ducts in the air distribution system of the house. Auxiliary space heating is provided by a heat pump and electrical heating element. An electrical heating element provides auxiliary energy for water heating. The dwelling has been fully instrumented for performance evaluation since February 1977 and the data is integrated into the National Solar Data Network. Original cost estimates for provisioning and installation of the solar system are given; however, the final solar system cost and the cost of its instrumentation are not included.
- Research Organization:
- Boeing Co., Seattle, WA (USA)
- DOE Contract Number:
- AB01-76CS31020
- OSTI ID:
- 5166805
- Report Number(s):
- SOLAR/1012-80/50
- Country of Publication:
- United States
- Language:
- English
Similar Records
Solar-energy-system performance evaluation: J. D. Evans, Inc. , House B, Columbia, Maryland, November 1978-March 1979
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Related Subjects
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
140907 -- Solar Thermal Utilization-- Water Heating
APPLIANCES
BUILDINGS
CENTRAL REGION
CONTAINERS
COST
DEMONSTRATION PROGRAMS
DRAIN-DOWN SYSTEMS
ENERGY STORAGE
EQUIPMENT
FLAT PLATE COLLECTORS
HEAT STORAGE
HEATERS
HEATING
HEATING SYSTEMS
HOUSES
MARYLAND
MEASURING INSTRUMENTS
NORTH AMERICA
RESIDENTIAL BUILDINGS
SENSIBLE HEAT STORAGE
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR HEATING
SOLAR HEATING SYSTEMS
SOLAR SPACE HEATING
SOLAR WATER HEATERS
SOLAR WATER HEATING
SPACE HEATING
STORAGE
TANKS
USA
WATER HEATERS