EVI Air Source Heat Pump 1.-25 DC low temp, EVI design 2.Cop to ... have successfully produced the EVI low temperature heat pump.EVI split design, the compressor and water part ... antifreeze problem.Compare to the common series heat pump, you will see below advantages:1. Compressor and ... { 'aImgSrc': aBigImageSrc } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, EN14511-2 ...