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Domestic hot water consumption in four low-income apartment buildings

Author

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  • Vine, Edward
  • Diamond, Rick
  • Szydlowski, Rich

Abstract

We investigated domestic hot water consumption in four apartment buildings (a total of 48 units) managed by the San Francisco Public Housing Authority (PHA). In each of the buildings, we monitored system performance for 4–6 months and interviewed residents about hot water usage patterns. The shape of the measured profiles of daily domestic hot water consumption is different from that of published profiles, suggesting that cost-effective retrofits in multifamily buildings should rely on hot water use profiles in these kinds of buildings rather than those in single-family dwellings. We constructed a model of household water consumption based on reported behavior and found occupant-reported water-consuming behavior to correspond well with measured data: building differences ranged from — 19% (the model underpredicts) to 12% (the model overpredicts), and the average difference was approximately 12%. These results suggest that survey information can be used for estimating hot water usage for multifamily buildings without detailed monitoring.

Suggested Citation

  • Vine, Edward & Diamond, Rick & Szydlowski, Rich, 1987. "Domestic hot water consumption in four low-income apartment buildings," Energy, Elsevier, vol. 12(6), pages 459-467.
    • Handle: RePEc:eee:energy:v:12:y:1987:i:6:p:459-467
    DOI: 10.1016/0360-5442(87)90005-3
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    Cited by:

    1. Katarzyna Ratajczak & Katarzyna Michalak & Michał Narojczyk & Łukasz Amanowicz, 2021. "Real Domestic Hot Water Consumption in Residential Buildings and Its Impact on Buildings’ Energy Performance—Case Study in Poland," Energies, MDPI, vol. 14(16), pages 1-22, August.
    2. Naspolini, Helena F. & Rüther, Ricardo, 2019. "Impacts of the active power demand measurement-time resolution on the financial attractiveness of domestic solar hot water systems," Renewable Energy, Elsevier, vol. 139(C), pages 336-345.
    3. Bagge, Hans & Johansson, Dennis, 2011. "Measurements of household electricity and domestic hot water use in dwellings and the effect of different monitoring time resolution," Energy, Elsevier, vol. 36(5), pages 2943-2951.
    4. Rodríguez-Hidalgo, M.C. & Rodríguez-Aumente, P.A. & Lecuona, A. & Legrand, M. & Ventas, R., 2012. "Domestic hot water consumption vs. solar thermal energy storage: The optimum size of the storage tank," Applied Energy, Elsevier, vol. 97(C), pages 897-906.
    5. Naspolini, Helena F. & Rüther, Ricardo, 2012. "Assessing the technical and economic viability of low-cost domestic solar hot water systems (DSHWS) in low-income residential dwellings in Brazil," Renewable Energy, Elsevier, vol. 48(C), pages 92-99.
    6. Meireles, I. & Sousa, V. & Bleys, B. & Poncelet, B., 2022. "Domestic hot water consumption pattern: Relation with total water consumption and air temperature," Renewable and Sustainable Energy Reviews, Elsevier, vol. 157(C).
    7. Naspolini, Helena F. & Rüther, Ricardo, 2016. "The effect of measurement time resolution on the peak time power demand reduction potential of domestic solar hot water systems," Renewable Energy, Elsevier, vol. 88(C), pages 325-332.
    8. Pomianowski, M.Z. & Johra, H. & Marszal-Pomianowska, A. & Zhang, C., 2020. "Sustainable and energy-efficient domestic hot water systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 128(C).

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