... mainly products is air source and geothermal heat pump for water heater / heating & swimming pool, include Monobloc and Split style ... is under 1/4 compared with electric water heater .2. Split water heater heat pump, heating capacity from 13000BTU--180000BTU, COP is ... , heating system , bathing spot, bathtub, public bath, hotel, school, koi ponds etc. Super quality air source heat pump water heater-CE ...