... , EVI technology importantly increase refrigerant flow of the main loop and outside evaporation enthalpy difference, brings 7% to 34 ... protection5. Over/under voltage protectionHouse heating, cooling and hot water option. EVI technology Principle Technical specification:OEM and ODM ... ( { 'aImgSrc': aBigImageSrc } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, EN14511 ...