| Author(s) | Organization(s) | Session |
| Xenofontos, Thalia | University of Western Macedonia, Dep. of Mechanical Engineering, Environmental Technology Laboratory, Bakola & Sialvera, Kozani, 50100, Greece | Emissions and perceptions |
| Xia, Yunfei | Institute of HVAC Engineering, School of Mechanical Engineering, Tongji University, Shanghai, 200092, China | Online poster viewing Presenter |
| Xiao, Shenglan | Department of Mechanical Engineering, The University of Hong Kong, Hong Kong SAR,China; School of Public Health, Sun Yat-sen University, Guangzhou, China | Online poster viewing |
| Xie, Di | Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Science and Engineering, Peking University, Beijing, China | PFAS and SVOCs |
| Xie, Linxiao | Henan Polytechnic University, China, People's Republic of; Henan Polytechnic University, Jiaozuo, China,454000; School of Architectural and Artistic Design, Henan Polytechnic University, Jiaozuo, China,454000 | Online poster viewing Online poster viewing Presenter Online poster viewing Online poster viewing |
| Xie, Xiaoxiong | University of Reading, United Kingdom | Exploring indoor-outdoor connections for healthy building design under rapid urbanization and climate change Presenter Exploring indoor-outdoor connections for healthy building design under rapid urbanization and climate change Presenter |
| Xu, Ying | Tsinghua University, Beijing, People's Republic of China; Department of Building Science, Tsinghua University, Beijing 100084, China | Online poster viewing Online poster viewing Temperature – more than a thermodynamic state variable Presenter Tuesday Plenary Presenter |