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Cost analysis of new and retrofit hot-air type solar assisted heating systemsA detailed cost analysis/cost improvement study was performed on two Department of Energy/National Aeronautics and Space Administration operational test sites to determine actual costs and potential cost improvements of new and retrofit hot air type, solar assisted heating and hot water systems for single family sized structures. This analysis concentrated on the first cost of a system which included procurement, installation, and integration of a solar assisted heating and hot water system on a new or retrofit basis; it also provided several cost projections which can be used as inputs to payback analyses, depending upon the degree of optimism or future improvements assumed. Cost definitions were developed for five categories of cost, and preliminary estimates were developed for each. The costing methodology, approach, and results together with several candidate low cost designs are described.
Document ID
19790002348
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Stewart, R. D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Hawkins, B. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 3, 2013
Publication Date
August 1, 1978
Subject Category
Energy Production And Conversion
Report/Patent Number
NASA-TM-78186
Accession Number
79N10519
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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