EVI Air Source Heat Pump 1.-25 DC low temp, EVI design 2.Cop to 4.8 ... and cooling.Goldsun uses the most advanced low Temp Enhanced Vapour Injection compressor technology and have ... successfully produced the EVI low temperature heat pump.EVI split design, the compressor and water ... init( { 'aImgSrc': aBigImageSrc } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, ...