Digital and Color Energy Maps for Graphic Display of Hourly Data

    Research output: NRELTechnical Report


    In this paper we discuss the display of hourly data. We review existing methods based on contour plots, design-day graphs, and three-dimensional surfaces; note the relationships; and describe the possibilities for extending and combining existing methods. Problems with using typical weather days are discussed, and new methods based on sequential days are described, including energy maps. Examplesof color energy maps are given for three versions of a four-zone commercial building, and patterns of energy use are noted and interpreted. In this paper, the display of hourly data is discussed primarily in terms of simulation results, but the approach is equally applicable to measured data from monitored buildings or any source of hourly data.
    Original languageAmerican English
    Number of pages10
    StatePublished - 1984

    NREL Publication Number

    • NREL/TP-253-2461


    • data
    • design tools
    • hourly data


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