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To reduce carbon emissions to the environment and curb global warming, we have developed an R290 Full DC Inverter Heat Pump. Compared to R410A refrigerant with a GWP of 2100 and R32 with a GWP of 675, R290 has a GWP of less than 20 and is recognized as the most eco-friendly refrigerant.
The perfect performance of the R290 FULL DC INVERTER Heat Pump can meet the user's needs of house heating, cooling and domestic hot water throughout the year (by 3-way valve):
* Domestic Hot Water Only * Cooling Only * Heating Only * Heating + DHW * Cooling + DHW


Our R290 FULL DC INVERTER heat pump can operate stably and efficiently in extremely cold regions of -25ºC, maintaining a high COP and outputting 75ºC hot water to ensure house heating and cooling needs.
Full DC inverter technology allows the unit to intelligently adjust operating frequency and control water temperature. It can save up to 50% energy compared to ON-OFF units and up to 75% compared to traditional electric heat pumps.
Components: DC Inverter Compressor, Stepless DC Inverter Fan Motor, DC Inverter Circulation Pump.
LCD CONTROL & WI-FI
5-Inches touch screen and Wi-Fi App support local languages.
FOUR OPERATING MODES
Powerful, Smart, Silent, and Vacation modes to save energy.
HIGHER EFFICIENCY A+++
Energy efficiency reaches A+++ at both 35°C and 55°C.
Using special three-layer sound insulation cotton and noise reduction technology, the unit runs smoothly and quietly.
Our IoT cloud management platform connects via Wi-Fi or DUT for remote monitoring. If an error occurs, reports are synchronized to the service provider for quick solutions, saving time and costs.
| Model | PW030-DKZLRS-D/S | PW040-DKZLRS-D/S | PW050-DKZLRS-D/S | PW040-DKZLRS-D | PW050-DKZLRS-D |
| Heating Condition - Ambient: 7/6ºC, Water: 30/35ºC | |||||
| Heating Capacity (kW) | 3.2~9.0 | 4.2~11.8 | 5.6~16.0 | 4.2~11.8 | 5.6~16.0 |
| COP Range | 4.13~4.71 | 4.17~4.75 | 4.21~4.83 | 4.17~4.75 | 4.21~4.83 |
| ErP Level (35°C) | A+++ | A+++ | A+++ | A+++ | A+++ |
| Refrigerant | R290 | ||||
| Noise dB(A) | ≤47 | ≤50 | ≤52 | ≤50 | ≤52 |
| Operating Ambient Temp | -25~43ºC | ||||
Established in 2004, we are a high-tech enterprise focusing on the research, development, production, and sales of air source heat pump products. With strong technology and R&D strength, we maintain a complete heat pump industry chain, including swimming pool pumps, residential heating/cooling, and industrial drying solutions.



Our products have the advantages of safety, high efficiency, and environmental protection. We have obtained more than 80 product patents and our manufacturing is ISO 9001/14001, CE, and ERP certified. We are committed to repaying customers with the best quality and service.


PeakWay Pump