1. (2018, December 21). Directive (EU) 2018/2001 of the European Parliament and of the Council of 11 December 2018 on the Promotion of the Use of Energy from Renewable Sources. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2018.328.01.0082.01.ENG.
2. Decentralized drain water heat recovery from commercial kitchens in the hospitality sector;Spriet;Energy Build.,2019
3. Pochwat, K., Kordana-Obuch, S., Starzec, M., and Piotrowska, B. (2020). Financial analysis of the use of two horizontal drain water heat recovery units. Energies, 13.
4. Spatial and temporal considerations in the performance of wastewater heat recovery systems;Spriet;J. Clean. Prod.,2020
5. Emissions down the drain: Balancing life cycle energy and greenhouse gas savings with resource use for heat recovery from kitchen drains;Schestak;J. Environ. Manag.,2020