H. Wang received his Ph.D degree in Thermal Engineering from Tianjin University in 2008. He completed M.Sc and B.Sc in Engineering Thermophysics from Tianjin University in 2003 and 1998, respectively. At present, he is a full professor of School of Energy and Environment Engineering, Hebei University of Technology, P.R.China. He also takes as the deputy director of Tianjin Engineering Center of Building Energy Supply Technologies, and excellent scientific special commissioner of Tianjin and Shijiazhuang (Hebei Province). His work focuses mainly on complex heat and mass transfer related with renewable energies, HV&AC, and energy saving of green buildings. In recent years, he has published one academic book (Renewable Energy Technologies and Applications) and over 40 peer-refereed papers including over 20 in the international journals. In addition, he takes as a reviewer of over twelve international journals in the energy field.