2.3 China

Air-to-water (ATW) heat pumps are mostly used for generating hot water in China. China’s ATW heat pump water heater market rose to RMB 4.8 billion (US$ 780 million) in 2012, growing by 10.5% over that of previous year. Recent years, ATW heat pump-based heating is increasing. In 2012, more than 15 heat pump companies launched their ATW heat pumps for space heating.