%0 Journal Article %T Investment and Economy Analysis of Water-Source Heat Pump System in Chongqing, China %A Yong Ding %A Xin Huang %A Xiaobo Wu %A Baizhan Li %J Journal of Renewable Energy %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/574196 %U http://dx.doi.org/10.1155/2013/574196