Direct Circulation Air Source Heat Pump Units

Short Description:

SolarShine’s residential air source heat pump units are designed for household or small scale water heating systems, they equipped with high quality components.

Product Detail

Product Tags

Based on inverse carnot principle:

Total energy obtained = 25% from compressor + 75% from the air (free of charge.

Air to water heat pumps capture the heat energy stored in the air to heat water for families or commercial buildings, to supply constant hot water for people. The heat energy taken from the air will always be safe and available, giving us a limitless energy supply.

SolarShine’s residential air source heat pumps have two 2 types: refrigerant gas direct circulation type and water indirect circulation type.

Both of the two types have the input power ranges from 1Hp to 2.5Hp, heating power from 3.5 to 8KW, customers can choose suitable model according to practical applications.


Model KF-1.0/KS-1.0 KF-1.5/KS-1.5 KF-2.0 / KS-2.0 KS-2.5
Type KF SERIES: Refrigerant gas direct circulation type: (Need an extra heat ex-changer coil inside water tank, copper pipe connection to external water storage tank) KS SERIES: Water indirect circulation type : (integrated with a heat ex-changer and water pump inside the machine, water pipe connection to external water storage tank)
Input Power 1HP/0.9KW 1.5HP/1.25KW 2HP/1.8KW 2.5HP/2.1KW
Nominal Heating Power 3.5KW 5KW 7KW 8KW
Power supply AC220V / 50Hz (110V models OEM acceptable)
Rated/Max. Water temperature 55 C/60°C
Ext. Dimension(mm) KF: 780x270x550 KS:756 x 260 x 450 KF: 780x270x550 KS: 920x280x490 1000x300x620
Operation ambient Temperature -3 - 45°C
Refrigerant type R22/417A/R410A (Optional)
Connection size (KS) DN20/ G3/4" DN20/ G3/4" DN20/ G3/4" DN25/G1"


• Economical and high-efficiency: Save average 80% heating cost than electric heaters.

• Water Circulation: Easy installation and acquaintance.

• Quiet Running: High- efficiency, low noise rotary compressor, low noise fan, the main unit works at extremely quiet condition.

• Intelligent: Full automatic and intelligent controller, no need any manual operation.

Q&A from Customers: 

Q: What’s the difference between refrigerant gas direct circulation type and water indirect circulation type?

A: See the details in the picture:
1 heat pump for home

That means F series is direct circulation without pump. S series is indirect circulation with pump.
Just like the picture as follow:

2 heat pump for home

Q: Is there a pump in direct type?
A: As the answer to question one, there is no pump in the direct type.

Q: Do you have the SUS304 outer shell? As we locate at seaside area.
A: Yes, we have SUS 304 outer shell for heat pumps, in case the Coastal corrosion.

heat pump with stainless steel shell

Application Cases

applicaation cases of heat pump water heater

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