In the first three quarters of 2018, domestic sales value of air source heat pump (ASHP) products posted 7.46 billion Yuan, of which 4.3 billion Yuan came from water heaters, a year-on-year rise of 6.7%, and 3.16 billion Yuan from space heaters, a year-on-year fall of 45.7%, according to China Household-use ASHP space heaters posted sales value of 2.04 billion Yuan, a 50% plunge compared to last year, while project-use ASHP space heaters remained steady.