Use of metallic foils as radiation barriers to reduce heat losses from buildings

D. J. Harris

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    14 Citations (Scopus)

    Abstract

    Reducing heating costs is an important concern for householders, but many conventional methods of cutting down heating costs, such as insulating lofts and cavity walls and fitting double glazing, involve considerable capital outlay. An effective way of reducing heat losses with a minimum of capital outlay is to fit reflecting metal foil behind the central heating radiators, but little has been done to measure the amount of energy saved in this way. Similarly, a foil layer can be used to reduce heat losses from beneath suspended floors, but little data are available on its effectiveness. Work is reported here on experiments carried out in an environmental chamber to measure the effect on heat losses of metal foils behind radiators and beneath suspended floors. Reductions in the overall energy consumption of the room of up to 6% were recorded by installing foil behind a radiator, while the heat loss through the area of wall immediately behind the radiator fell to less than 30% of the original value. The heat loss from a suspended timber floor was reduced by up to 48% when foil was applied to its under surface. © 1995.

    Original languageEnglish
    Pages (from-to)331-339
    Number of pages9
    JournalApplied Energy
    Volume52
    Issue number4
    Publication statusPublished - 1995

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