... avoid any anfifreeze problem.2. 43°C ~-25°C wide range use. EVI air to water heat pump is specially designed for house heating ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, EN14511-2:2007 ...