... cost etc.1. Monobloc water heater heat pump, heating capacity 11000~18000BTU, COP is above 4.2, water tank volume is 150-500L ... , hot water generated is 95-250L per hour, power ... from 13000BTU--180000BTU, COP is above 4.8, water flow volume 2--16cubic meter per hour, has cooling capacity from 7800--123000BUT, side ...