Sundez dc inverter heat pump water heater 9kw to 20kw split

  • 1 - 4 Sets
  • 5 - 9 Sets
  • >=10 Sets
Lead Time:
Quantity(Sets) 1 - 5 6 - 20 21 - 200 >200
Est. Time(days) 7 25 45 Negotiable
Customized logo (Min. Order: 5 Sets)
Customized packaging (Min. Order: 5 Sets)


Graphic customization (Min. Order: 5 Sets) Less
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Quick Details
Air Source Heat Pump
Storage / Tankless:
Housing Material:
galvanized steel
Place of Origin:
Guangdong, China
Brand Name:
Sundez or OEM
Model Number:
SDDC-125-B (220v/1 phase)
heating output:
working range:
brazed plate heat exchanger
electronic expansion valve
hydrophilic and louvered fin-tube
circulation pump:
automatical 3 speeds
Supply Ability
Supply Ability:
1000 Piece/Pieces per Month we always keep stock for our hot sale dc inverter heat pumps
Packaging & Delivery
Packaging Details
carton packing with wooden support.
Lead Time :
Quantity(Sets) 1 - 5 6 - 20 21 - 200 >200
Est. Time(days) 7 25 45 To be negotiated

Sundez dc inverter heat pump water heater, ---air source water cooler/heater, domestic hot water heater 20kw  



Product Description

Sundez DC inverter heat pump is the ideal solution for house heating and hot water so far, with advanced 

DC inverter technology, saving 40% electricity than normal on/off heat pump in practical operation, saving 80% than other traditional heating and hot water applications. The whole system is optimized with variable fan speed, while the temperature compensation function contributes to a more comfortable indoor environment. It can work with solar, boiler or electric heater according to practical condition of the heating system.


-20DegC split air inverter water heat pump for heating, hot water, cooling (EN14825, EN14511, CE)  Features:

1.  With Advanced DC inverter technology, it saves 40% energy than normal heat pump in practical operation.

2.  5 modes to manage heating, cooling and hot water, fits your need all year round.

3.  With temperature compensation function, the water setting temperature adjusts automatically as the 

    house's heat loss changes.

4.  Automatically variable fan speed to optimize heating efficiency.

5.  Can work with room thermostat or master controller.

6.  Can work with auxiliary heater.

7.  Split design with water system indoor, preventing water frozen problem.

8.  Fast plug for wire connection between indoor unit and outdoor unit, simplifies installation and avoids mistakes.

9.  With controller interface, plate heat exchanger, circulation pump, flow switch, water pressure gauge in indoor unit.


10. Allows absence of buffer tank.









Company Information

We have two brands, SUNDEZ & YANGZI.

Yangzi heat pumps and water tanks are famous in domestic market while SUNDEZ is for overseas market.


Sundez owns two factories, one is in Zhongshan city, Guangdong province, the other is in Chuzhou city of Anhui province. We can produce over 2000 sets of heat pumps (with water tanks) each month.



Please contact us if you want to find a reliable Chinese factory for production! We accept OEM and ODM. Our R&D team is always on the way of innovations.


You can visit our Zhongshan production base or Chuzhou production base.




Packaging & Shipping

Standard Export packaging for heat pumps:

LCL order: Plastic film covered + honeycomb paper+ Carton box+ Polywood

Container order: Plastic film covered + honeycomb paper+ Carton box


Our Services

A. Payment service
1, T/T
2, L/C (for container order only)


B. Technical service
1, We calculate the capacity and recommend the best models.
2, We supply you the professional refrigeration technical support and electronic technical support for your installation, debugging and operation.
3, We supply the spare parts and technical support in and after the warranty time.
4, We supply the training course to your workers at our factory if you need.

5. We can offer site training to your workers in your place which is negotiable.


C. After-sales service
1, Technical support for your installation, operation and maintenance. 
2, Standard warranty time: two years’ warranty for heat pumps and 18 months' warranty for water tanks and fan coils.

You can also pay for extended warranty or we can renegotiate the longer warranty period.
3, Spare parts and technical support at most economic prices after the warranty.




We have been exporting heat pumps for over 7 years, mainly to European countries and also other countries such as South Africa, South America, Southeast Asia etc..

We pass ISO9001 quality management system.

Our company has been inspected and certificated by TUV and SGS.

We are your reliable partner for your heating and hot water market!



Quality Control


1. Complying with ISO standard. Quality Ensured. 


2. Complete Inspection for each unit before out of factory, covering water system and electricity detection and testing, ensuring 100% right product before shipment.


3. Strict quality control during production. We have liquid soap detection, halogen detection, electrical detection and water-soaking detection during production to avoid gas leakage and electrical problems .  


4. Full inspection on bigger parts such as compressors, condensers, evaporators, expansion valves, flow switches, controllers etc.. Selection inspection for small parts such as sensors, pressure switches etc.. 


5. Well noise control by using mute cotton for casing plates and soft rubber feet for floating compressors, some of the models use compressor isolation shields.


6. Well insulated with insulated cotton for every pipe and parts, include compressor, dryer filter and each pipes.


7. We have passed TUV  and SGS inspections. We have CE, RoHs, IEC, CCC, CB certificates for most of our products. Some of our products have en14511 test, en14825 test. 


We will do our best to coordinate with you to offer products according to your requirements, please don't hesitate to tell us your wishes!