... , COP is above 4.2, water tank volume is 150-500L, hot water generated is 95-250L per hour, power consumption is under 1 ... /4 compared with electric water heater .2. Split water heater heat ... from 13000BTU--180000BTU, COP is above 4.8, water flow volume 2--16cubic meter per hour, has cooling capacity from 7800--123000BUT, side ...