3-in-1: Hydronic heating,cooling, and domestic hot water;Auto Changeover: The unit will automatically switch between heating and cooling modes to maintain the set point;Boiler Integration : Boiler Integration enables the system to automatically switch from electric heat pump to boiler operation for consistent comfort. The system can also be set to switch based on optimal energy efficiency or ambient temperature;High-flow Temperature Performance: Ecodan is capable of delivering hot water up to 158 Degree F outlet water even in low ambient temperatures;Hyper Heating: 100% heating capacity down to 5 Degree F with guaranteed heating down to -22 Degree F;Quiet Operation (Ecodan): The outdoor unit features ultra-quiet operation as low as 41 - 45 db(A) due to an anti-vibration design with insulation around the compressor. The unit also offers a three-stage low-noise mode;Refrigerant Split System: A split system with R32 refrigerant