... running and avoid any anfifreeze problem.2. 43°C ~-25°C wide range use. EVI air to water heat ... ambient temperature range is -25°C to 43°C. It can use safely in -20°C ambient.3. Strong low- ... pump is difficult to heat below zero 5 °C , EVI technology importantly increase refrigerant flow of the ... } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, EN14511-2:2007, NFPAC ...