4KW R290 Air source water heaters heat pump

Aircal Master Heat Series heat pump is high COP DC Inverter (variable-speed) heat pump for heating and cooling.

This series of heat pump can adjust the output capacity automatically and control the room temperature accurately.

The intelligent App control system provide convenient for everyone in the family to control. Due to the monobloc design, the heat pump are cost effective, space saving and quiet to run outside. It is high efficiency and providing wonderful performance and reliability.

The R32 refrigerant multifunctional DC inverter heat pumps ambient temperature can be down to -15℃. COP 30% higher than normal heat pump.

New R290 gas heat pump is also available.


Full DC inverter Technology.

High efficiency class A+++

Smart 5 inch Control Panel with Wifi Mobile app 

Environmental friendly  R290 gas available

Comfortable low noise

Advanced Technology

Smart Grid & PV Ready

SG ready and PV ready, the cost of use is reduced, and it meets the requirements of local policies.Power consumption of the system can be automatically adjusted according to the peak and valley power to reduce the power consumption to the greatest extent. PV ready, connect to solar power at home to realize solar power supply and reduce usage costs

Smart Grid & PV ready.png

R32&R290 Intelligent Display Control

R32&R290 heat pumps utilize an intelligent LCD display with high definition interface which users can red and control very easily.

Moreover,Smart APP control brings a lot of convenience to users.

Power Consumption Management

Provide daily, monthly, annual, decade produce energy and consumed energy display.

Power Consumption Management.png

R32/R290 Low GWP Refrigerant

Reducing and preventng global warming is an important mission . Besides,With most of the energy absorbed from the air with refrigerant gas,running at low cost and without CO2 emmision all year round  to protect environment 

Full DC Inverter Technology

Full DC inverter Mitsubishi compressor and DC inverter brushless motor. With this technology, users can enjoy a maximum level of comfort with the lowest costs

Full DC Inverter Technology.jpg

Intelligent Water Temperature Adjustment

The unique control logic enables users to adjust the outlet water temperature intelligently, Feel the difference in your home comfort with an aircal heat pump.

Water Temperature Adjustment.jpg

Noise Reduction Technology

Adopts multiple noise reduction technologies, every product has been repeatedly tested and optimized.

Stable Running at -25℃ Ambient Temperature

Thanks to the unique Inverter EVI technology, can operate efficiently at -25°C, maintain high COP and reliable stability.

R290 -25℃ Ambient Temperature pump.jpg

Experience the smooth, quiet superior comfort of our most advanced heat pump

Lower heating and cooling costs while staying comfortable with a variable speed heat ... heat pump delivers maximum comfort while keeping noise levels low.

IOT Web Platform Heat Pump

The fault report button creates a direct error report channel to the local service provider. When an error is reported, the service provider can notice the error information of the target house heating heat pump from the background system.The main functions of this platform include: centralized monitoring/visual management/intelligent linkage/fault alarm/report analysis/operation and maintenance management, etc

Specification for Multifunctional DCIinverter heat pump(290)


Heating (A7/6°CW30/35℃)

Heating Capacity      kW 4.1
Power Input kW 0.89
Current A 3.88
COP W/W 4.6
Heating  (A7/6℃,W47/55℃) Heating Capacity kW 3.0
Power Input kW 0.94
COP W/W 3.20
Cooling (A35/24℃,W23/18℃) Cooling Capacity kW 3.6
Power Input kW 0.95
Current A 4.14
EER W/W 3.78
Cooling  (A35/24℃,W12/7℃) Cooling Capacity kW 2.50
Power Input kW 0.95
EER W/W 2.62
Rated water flow m³/ 0.71
Rated voltage/Frequency V/H 230/50
Refrigerant / R290
Lowest Operational Ambient -25℃
Highest Operational Ambient 45℃
Net Dimensions(L/W/H) mm 920/415/560
Net Weight kg 60
Loading quantity 20GP/40GP,40HQ pcs /

Intelligent Display Control Demo Video

Heat pump water heater are excellent energy-saving solutions of residence, more energy saving than conventional gas boiler or electrical heater

Aircal also offer OEM/ODM design for your own brand of DC heat pump water heater

Heat pump water heater are excellent energy-saving solutions of residence, more energy saving than conventional gas boiler or electrical heater


Provide CE certificate and ERP and ROSH report issued by professional institutions. Customize customer-specific certificates and reports.

ROSH/SVCH certification

ROSH certification is an essential customs clearance requirement for the European Union, while SVHC&REACH certification, which is a mandatory requirement, continuously enhances environmental awareness.





We are always providing our customers with reliable products and considerate services.

If you would like to keep touch with us directly, please go to contact us

  • Home


  • Tel


  • Email


  • Contact