NPA - Heat pump with natural refrigerant propane R290

• High efficiency heat pump
• A3 Refrigerant R290 with low GWP 3
• 2- or 4-pipe system
• Modular design, therefore lower refrigerant charge per circuit
• Defrosting independent for each refrigerant circuit, therefore almost no influence on the system
• Redundant power supply for the safety devices
• Completely self-developed control software
• Use of branded components