Comparative Study of Consumption and Life-Cycle Impacts of Water Heating Systems for Residential Multi-familiar Buildings in Rio de Janeiro, Brazil

  • Arthur B. SilvaEmail author
  • Mohammad K. Najjar
  • Ahmed W. A. Hammad
  • Assed Haddad
  • Elaine Vazquez
Part of the Building Pathology and Rehabilitation book series (BUILDING, volume 15)


Civil construction, as an integral part of the chain of industrial activities, is one of the various segments responsible for energy consumption and potential greenhouse gas emissions throughout its life cycle. The building materials and their systems have a direct influence on energy consumption and impact assessment. In this context, Hot Water Building Systems (HWBS) are included. The type of installation to be used in a building is defined by technical and/or economic requirements. However, the spectrum of possibilities should consider resource consumption and generation of environmental impacts throughout the life cycle. This research proposes a novel application of an environmental management method to empower the decision-making process of HWBS, insights a Life Cycle Assessment (LCA) methodology to compare the environmental performance of two distinct HWBS (i.e. Natural Gas Heating System and Solar Heating System) for multi-family residential developments. In conclusion to the results obtained, it can be inferred that the HWBS with heating via SHS has better environmental performance than the system with heating via Natural Gas, even though the first one uses an electrical complement for operation appropriate.


Life cycle assessment Water heating systems Residential buildings 


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Copyright information

© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2021

Authors and Affiliations

  • Arthur B. Silva
    • 1
    Email author
  • Mohammad K. Najjar
    • 2
  • Ahmed W. A. Hammad
    • 3
  • Assed Haddad
    • 1
  • Elaine Vazquez
    • 4
  1. 1.Programa de Engenharia AmbientalUniversidade Federal do Rio de Janeiro21941-909 Rio de JaneiroBrazil
  2. 2.Centro Universitário Gama e Souza (UNIGAMA)22621-090 Rio de JaneiroBrazil
  3. 3.Faculty of Built EnvironmentUniversity of New South Wales2052 SydneyAustralia
  4. 4.Programa de Engenharia UrbanaUniversidade Federal do Rio de Janeiro21941-909 Rio de JaneiroBrazil

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