Ground source heat pump

High-Efficiency 4kW 220V Ground Source Water-to-Water Heat Pump

High-Efficiency 4kW 220V Ground Source Water-to-Water Heat Pump Product Advantages High-Efficiency GMCC Rotary Compressor Powered by a reliable GMCC rotary compressor, the RFJ-WW-4X delivers stable 4 kW thermal output with high operational efficiency, drastically lowering heating bills compared to ...