Energy cost of clean air delivery with portable air cleaners - a case study in two kindergartensArto Säämänen, Inga Ehder-Gahm, Anni Luoto, Piia Sormunen and Ilpo KulmalaE3S Web Conf., 672 (2025) 03023DOI: https://doi.org/10.1051/e3sconf/202567203023
