| Issue |
E3S Web Conf.
Volume 45, 2018
VI International Conference of Science and Technology INFRAEKO 2018 Modern Cities. Infrastructure and Environment
|
|
|---|---|---|
| Article Number | 00034 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/e3sconf/20184500034 | |
| Published online | 30 July 2018 | |
An assessment of the potential for shower water heat recovery
Rzeszow University of Technology, Department of Infrastructure and Water Management, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland
* Corresponding author: sk@prz.edu.pl
The recovery of heat from greywater is one of the methods for reducing the energy demand on buildings. The process may be accomplished, e.g. using a Drain Water Heat Recovery (DHWR) unit installed at the shower drain. The paper analyzes the rationale for a DWHR unit being installed within a joint drain system of two separate shower installations. To this end, Net Present Values (NPV) and Profitability Indexes (PI) were calculated for the different parameters of a building shower operation. The study showed that the profitability of such investment depends not only on the installation's operation parameters but also on the type of energy carrier.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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