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Attached-sunspace passive solar-heated residences: a study of nationwide patterns of economic feasibility for the existing housing stock

Technical Report ·
OSTI ID:6309843
;
Performance estimates for attached-sunspace passive solar-heated residences recently have been incorporated into the Los Alamos/UNM EASE III Model. These estimates are used to analyze the economic performance of a passive sunspace design when retrofitting onto an existing single-family home. Several key parameters are evaluated, including loan or mortgage terms, ownership period, resale potential, and competing conventional fuel prices. General economic and design parameters are combined in one version of life-cycle costing to evaluate the feasibility of both owner-built and contractor-built attached sunspaces for 220 regions in the contiguous US. The conventional fuel alternatives are natural gas, heating oil, electric resistance, and electric heat pump. The optimal sunspace design is determined for the fuel alternatives by minimizing the combined solar and conventional delivered cost of heat. An analysis of fuel used for space heating in existing homes is used to discuss the retrofit potential for the 220 regions. Results show that the prospect for conventional fuel displacement through retrofit of attached sunspace is very good, and that the design's economic performance is enhanced in regions with expensive conventional fuel alternatives.
Research Organization:
Los Alamos National Lab., NM (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
6309843
Report Number(s):
LA-8889-MS; ON: DE81026309
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140300 -- Solar Energy-- Economic
Industrial
& Business Aspects
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
29 ENERGY PLANNING, POLICY, AND ECONOMY
299001 -- Energy Planning & Policy-- Solar-- (1989-)
ATTACHED GREENHOUSES
BUILDINGS
COMPUTERIZED SIMULATION
COST
DATA
DATA COMPILATION
ECONOMIC ANALYSIS
ECONOMICS
ELECTRIC HEATING
ENERGY CONSUMPTION
ENERGY SOURCES
ENERGY SYSTEMS
EQUIPMENT
FEASIBILITY STUDIES
FLUIDS
FOSSIL FUELS
FUEL CONSUMPTION
FUEL GAS
FUEL OILS
FUELS
GAS FUELS
GASES
GREENHOUSES
HEAT PUMPS
HEATING
HEATING OILS
HEATING SYSTEMS
HOUSES
INFORMATION
LIFE-CYCLE COST
LIQUID FUELS
NATURAL GAS
NUMERICAL DATA
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PASSIVE SOLAR HEATING SYSTEMS
PERFORMANCE
PETROLEUM PRODUCTS
REGIONAL ANALYSIS
RESIDENTIAL BUILDINGS
RESISTANCE HEATING
RETROFITTING
SIMULATION
SOLAR EQUIPMENT
SOLAR HEATING SYSTEMS