Following an earlier study conducted in 2019, CE Delft has carried out an updated life cycle assessment (LCA) of the main hand-drying systems. The findings form the basis for sustainability advice on Sustainable Public Procurement (SPP).
Results: Electric hand dryers have the lowest environmental impact The analysis shows that electric hand dryers have the lowest environmental impact, followed by paper towels and cotton roll towels. For electric hand dryers, the environmental impact is primarily determined by energy consumption during use. Modern hand dryers with low power consumption, a standby mode and a short drying time perform best, particularly when powered by renewable energy (wind and solar). For paper towels and cotton roll towels, both user behaviour and the choice of materials determine the environmental impact.
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