LAILEY&COATES is a professional OEM heat pump manufacturer, Low Temperature Inverter Heat Pump is for home heating and cooling , and domestic hot water heating, it can work at -25c outside temperature, with high efficiency A+++ ENERGY label, WIFI remote control by APP, Automatic software update via internet, User friendly touch screen controller, R32 GAS, Weather compensation, boost hot water heating. If you want to know more detail, please contact us.