波兰采购需求：热泵，热泵，LG热泵，交流热泵，空气能热泵，新型热泵

Subject: Heat Pump Inquiry I'm interested in sourcing a heat pump with specific performance metrics. Key requirements include a heating COP of at least 4.2 at W35 and 2.97 at W55, energy efficiency classes of A+/A+, and a max power rating of 50 kW. The unit should feature dual EVI compressors, two fans, a minimum buffer tank capacity of 1500 L, and a safety module with a 48 h operation time. Additionally, it should have a max sound power level of 85 dB, necessary sensors for external measurement, a magnetic filter in the hydraulic system, and an electric energy meter. Please provide a detailed offer with pricing, technical specs, and estimated delivery times.