Low Cost Solar Water and Space Heating Systems

    Research output: NRELTechnical Report


    Market penetration studies indicate that in the absence of tax credits, large reductions in the costs of active solar water/space heating systems will be necessary. A number of potential means for equipment and labor cost reductions are presented. The use of drainback systems with polybutylene pipe and a variety of low-cost collector concepts is discussed. The pros and cons of the variousdrainback configurations are described in terms of performance and potential for cost reduction. The use of integrated collector/storage (ICS) systems was also studied.
    Original languageAmerican English
    Number of pages10
    StatePublished - 1985

    NREL Publication Number

    • NREL/TP-253-2672


    • active solar space heating
    • active solar water heating
    • drainback systems
    • ICS
    • integrated collector/storage


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