2022
DOI: 10.1016/j.jenvman.2022.115713
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Screening innovative technologies for energy-efficient domestic hot water systems

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Cited by 15 publications
(7 citation statements)
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“…Reducing warm water demand is arguably the most effective way to reduce the energy consumption of DHW systems [30]. With changes in consumer behavior or through the installation of lowflow appliances, energy savings in the range of 9 % to 63 % are assumed possible [31][32][33][34].…”
Section: Hot Water Usementioning
confidence: 99%
See 1 more Smart Citation
“…Reducing warm water demand is arguably the most effective way to reduce the energy consumption of DHW systems [30]. With changes in consumer behavior or through the installation of lowflow appliances, energy savings in the range of 9 % to 63 % are assumed possible [31][32][33][34].…”
Section: Hot Water Usementioning
confidence: 99%
“…Where performance assessments of active greywater heat recovery systems using simple water consumption models showed remarkable efficiencies [6], our study using more realistic water usage dynamics and building configurations challenged these conclusions. The realistic description of water usage dynamics also proved critical in [30], where the WaterHub framework was used to assess five different DHW technologies and their combinations under realistic, dynamic water demand profiles. Thanks to insights into the system thermodynamics, we were able to identify and provide a rough quantification of inter-technology interactions, i.e.…”
Section: Facilitating Knowledge Integration For the Optimization Of D...mentioning
confidence: 99%
“…This results in lower electricity consumption, the prices of which are currently high, thus increasing the costs of wastewater treatment [11]. Plastic waste recycling is an important problem nowadays [12][13][14][15]. Many types of plastics are found in the stream of waste, such as polypropylene (PP), polyethylene (PE), acrylonitrile butadiene styrene (ABS), polyvinyl chloride (PVC), polystyrene (PS) and polyethylene terephthalate (PET) [16,17].…”
Section: Introductionmentioning
confidence: 99%
“…From the demand perspective, DHW is receiving less attention than space heating although the associated energy consumption and the potential for energy savings are far from being negligible, particularly in the residential sector. Several studies have focused on the reduction of total (hot and cold) water consumption (Willis et al, 2013;Beal et al, 2010, Mengshan et al, 2011; some of them have analyzed specifically DHW through simulations (Hadengue B. et al 2022), but hardly any also addressed the related energy savings and reduction of CO 2 emissions based on real implementation. This study aims to close the knowledge gap concerning the actual energy savings potential that can be achieved through the reduction of DHW consumption.…”
Section: Introductionmentioning
confidence: 99%
“…Energy savings for DHW can be obtained by implementing simple measures in the short to medium term, thereby contrasting with the heavy burden related to the thermal insulation of building envelope, the installation of heat recovery in the ventilation system, or changing the heat supply system. Among various options to improve the energy efficiency of DHW systems (Hadengue et al 2022), a simplest solution consists of installing water flow restrictor devices on faucets and showerheads (see Appendix 1) to reduce water consumption and informing users about its benefits in order to ensure its acceptance. This consequently reduces the energy required to produce DHW and the associated CO 2 emissions when fossil fuels are used.…”
Section: Introductionmentioning
confidence: 99%