AIR HAWK 208
The high end heat pump is suitable for buildings with heat loads between 6 and 10 kW. It works with a speed controlled compressor and delivers heat and DHW up to 65°C. It can also be used for energy saving surface cooling. Minimal outdoor unit noise emissions make the heat pump the perfect solution in high-density residential areas. The slimline indoor unit has a footprint of less than half a square metre. The AIR HAWK 208 is equipped with the OCHSNER TRONIC SMART (OTS) control system and can be controlled via an app. The AIR HAWK series was honoured with the Plus X Award in the categories innovation, high quality, ease of use, functionality and ecology.
Climate zone (middle)
A+++
6 kW
175.2 %
4.46
- Detached and two-family houses
- Underfloor heating
- Radiators up to 60°C





Features and options

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland

High-End Controller OCHSNER TRONIC SMART
The OCHSNER TRONIC SMART meets all the requirements of today and tomorrow, and can be integrated directly into holistic building control concepts.

With inverter technology
This series is fully modulating and continuously adjusts its output to the heat demand. This means that the heat pumps can run during

Heating and cooling
The heat pump is the only heating system that can also perform cooling. Cooling is achieved via the heating pipes of underfloor and wall heating systems

Noise reduction through whisper quiet operation
The unique and patented whisper quiet operation reduces the sound emissions from OCHSNER horizontal split evaporators to an absolute minimum

Pioneer in climate protection
In the AIR HAWK, OCHSNER is already using only refrigerants with a GWP (global warming potential) well below 700,

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

World record for the quietest operation
The highly efficient AIR HAWK is the quietest air/water heat pump ever to be measured at the Buchs heat pump testing centre in Switzerland (measured on model Air Hawk 208). Even in standard mode, it still does not exceed the extremely low sound level of 45 dB(A), comparable to the noise level in a quiet home. This makes it the star performer for new build projects in high-density residential areas – even in neighbourhoods where the use of air/water heat pumps has thus far been almost impossible.

High-End Controller OCHSNER TRONIC SMART with App
The OCHSNER TRONIC SMART meets all the requirements of today and tomorrow, and can be integrated directly into holistic building control concepts. The system is extremely straightforward to set up and operate with the OCHSNER app using a smartphone or other mobile device if preferred. The result is more convenient living, more setting options with the home climate functions and high customer satisfaction. Core functions such as the current status of the heat pump, heating circuit, time program, hot water temperatures, current weather data and the forecast are displayed in a user-friendly and self-explanatory manner thanks to the optical user interface.

With inverter technology
This series is fully modulating and continuously adjusts its output to the heat demand. This means that the heat pumps run almost without interruption during the winter season, with switching cycles reduced to a minimum. High grade compressors designed for long runtimes are used for this. This increases the service life of the heat pump. With modulating heat pumps, there is also no need for a heating buffer tank.

Heating and cooling
The heat pump is the only heating system that can also perform cooling. Cooling is achieved via the heating pipes of underfloor and wall heating systems, which absorb the higher temperature indoors and transfer it to the cooler medium (ground or water) via a heat exchanger. Essentially, there are two types of cooling: active and passive – OCHSNER heat pumps offer both – please consult the technical data for the particular type of heat pump.

Noise reduction through whisper quiet operation
The unique and patented whisper quiet operation reduces the sound emissions from OCHSNER horizontal split evaporators to an absolute minimum. You will hardly even notice them working. In silent mode, which is integrated as standard, the fan speed is reduced according to a fixed proportional function depending on the outside air temperature. This ensures that the system's already extremely low sound emissions in standard operation are reduced even further, for example in summer during DHW or pool heating. Silent mode can be set to four independent, selectable periods. The Super Silent Package is an option for all models in the AIR series and is recommended for especially sensitive areas. The optimised design derived from the aerospace industry reduces noise levels by a further 3 dB(A).

Pioneer in climate protection
In the AIR HAWK, OCHSNER is already using only refrigerants with a GWP (global warming potential) well below 700, which is the maximum limit prescribed by the EU F-Gas Regulation for the year 2030 onwards. The refrigerant itself and a low charge weight reduce the CO2 equivalence, i.e. the global warming potential.

OCHSNER air source heat pumps
OCHSNER air source heat pumps combine outstanding energy efficiency with extremely low noise emissions and futureproof, reliable technology.
AIR HAWK 208
Inverter air/water heat pump
A7/W35
Energy efficiency (average climate zone)
Indoor unit
Outdoor unit
Electrical data