Cost-optimal dimensioning of combined run-around heat recovery and exhaust air heat pump systems in a Nordic hospital | 2025 Publication type A1 Journal article (refereed), original research Author(s) Liu Jiayi, Ju Yuchen, Yuan Xiaolei, Kosonen Risto, Jokisalo Juha, Meriläinen Altti, Kosonen Antti Energy - Transition to carbon-neutral world Building and Construction Energy Engineering and Power Technology Renewable Energy, Sustainability and the Environment Energy LUT School of Energy Systems