SANDEN Eco Plus 300L Large

The use of CO₂ as zero-ozone-depletion refrigerant is revolutionizing the heat-pump industry worldwide. When applied at comparably high systems pressures, CO₂ works in a thermodynamically super-critical mode without phase-change. This allows producing hot water at 65ºC (and beyond) without electrical back-up and at ambient temperatures of -10ºC.

When coupled with solar PV power and a 300-litre stainless steel hot water tank, SANDEN’s CO₂ heat-pump system becomes the competitive all-solar-electric alternative for low-E and Passivhaus buildings. This system outperforms conventional solar thermal hot water systems, particularly during the winter half-year when performance matters most.