Fan, Yi, Zhao, Xudong, Li, Jing, Li, Guiqiang, Myers, Steve, Cheng, Yuanda, Badiei, Ali, Yu, Min, Golizadeh Akhlaghi, Yousef, Shittu, Samson, Ma, Xiaoli, "Economic and environmental analysis of a novel rural house heating and cooling system using a solar-assisted vapour injection heat pump", Applied Energy, 2020