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Domestic hot water in existing residential buildings: Comparative simulation study of efficiency and hygiene challenges

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  • Graf, Christopher
  • Cadenbach, Anna

Abstract

Refurbishing existing buildings is essential for meeting emission targets. Domestic hot water (DHW) systems significantly impact energy use but receive less focus than space heating during refurbishment, limiting efficiency potential and renewable energy integration.

Suggested Citation

  • Graf, Christopher & Cadenbach, Anna, 2025. "Domestic hot water in existing residential buildings: Comparative simulation study of efficiency and hygiene challenges," Energy, Elsevier, vol. 337(C).
    • Handle: RePEc:eee:energy:v:337:y:2025:i:c:s0360544225041702
    DOI: 10.1016/j.energy.2025.138528
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    References listed on IDEAS

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    1. Toffanin, Riccardo & Curti, Vinicio & Barbato, Maurizio C., 2021. "Impact of Legionella regulation on a 4th generation district heating substation energy use and cost: the case of a Swiss single-family household," Energy, Elsevier, vol. 228(C).
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