6You Y, Harmon S , Sidney P. A new heat pump system for year2round water heating and seasonal space cooling. 7th International Energy Agency Conference on Heat Pump Technologies , 2002.
7Shi Baolong Wenxing , Shao Shuangquan , Wang etal. Thermodynamics analysis and thermoeconomics evaluation on heat recovery inverter air cooling heat pump with domestic hot water. 7th International Energy Agency Conference on Heat Pump Technologies , 2002.
8Ji Jie Chow Tintai , Pei Gang , et al. Domestic air conditioner and integrated water heater for subtropical climate[J]. Applied Thermal Engineering, 2003 , 23:581-592.