Featuresof JOIN DC inverter air to water heat pump 1. DC Inverter Variable operation frequency to create smooth airflow, super quietness and energy-saving. 2. 180° Sine Wave Control Ensure the system super quietness, stability and low energy consumption. 3. Multi function One unit for whole family’s overall demands of air conditioning and hot water, super efficiency. 4. Adjustable and stable room temperature control, ideal for children and aging people 5. Flexible multi connections-Free to connect numbers of indoor terminals to one outdoor unit. 6. Floor heating mode brings you even heating and comfort in winter. 7. Easy installation--connect the water pipes only! Specifications Model: HLRV-3/2a HLRV-14/2a Heating capacity: 4.1kw-16.1kw Cooling capacity: 3.0kw-13.6kw Power supply: 220V/1ph/50hz For specifications, please feel free to contact us.