EVI Air Source Heat Pump 1.-25 DC low temp, EVI design 2.Cop to 4.8, 410A 3. House heating & cooling ... exchanger6. LCD controller.Multi Protection1. Auto-defrosting function2. High/low pressure protection3. Overload protection4. Compressor protection5. Over/under voltage ... ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, EN14511-2:2007, NFPAC, EURO-VENT, ENERGY-STAR ...