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Gas heat pumps

Regenerative, versatile and economical

With Schwank gas heat pumps, heating and cooling can be carried out in an extremely efficient manner, and moreover, by just one system. As compared to the electrically operated heat pump, a gas motor takes over the propulsion of a refrigerant process. There are a number of advantages from the gas heat pump using gas as its energy source instead of electricity for the generation of heating or cooling.

Possible applications for temperature control [heating and cooling] in trade and industry:

  • Halls for the storage of temperature-sensitive goods, e.g. chocolate, cosmetics, hazardous substances, pharmaceutical products
  • Heating and cooling supply in offices, laboratory, research and exhibition
  • Temperature control of buildings with thermal processes, e.g. when using machines in a hall


Your benefits at a glance


During the generation of electricity in modern gas or coal fired power plants, approximately 60% waste heat is produced. However, the waste heat produced in the gas engine of a heat pump is used by the device directly on site. It either supports the heat pump process or serves as the additional heat source, eg for heating the water supply.

Gas - the driving force

The difference between a gas and an electric heat pump. Gas heat pumps are used throughout the world as environmentally friendly and efficient solutions for the temperature control of buildings. Especially for bigger loads - eg in industry or commerce - this technology is extremely advantageous, since using gas as the primary energy source.  
For our gas heat pumps, we rely on Panasonic - one of the leading manufacturers. In 1958, the company developed the first room air conditioner and has continually been making advancements in its “climate control” business segment. Panasonic is an ideal partner as far as gas heat pumps are concerned. When it comes to the development of its gas heat pumps, the company places huge emphasis on efficiency, dependability and low noise levels. Thanks to intensive quality controls, the Panasonic heating and cooling systems meet the highest requirements. Panasonic gas heat pumps are characterised by their high level of innovation and quality. Together with Schwank’s expertise in and cooling of large-scale buildings, an unbeatable partnership has been formed exemplified by quality and competence.

Hot water instead of cooling agent

A heat exchanger integrated into the gas heat pump motor ensures that water pipes can be directly connected to the heat pump. The requirement for cooling agent pipework is therefore omitted completely.

Cooling agent: Connection to a ventilation unit [RLT]

Alternatively, the gas heat pump can be connected to a ventilation [RLT] unit. It provides the building with heating or cooling via duct systems. A combination of indoor units and the RLT system is also possible.

Cooling agent: Direct connection of indoor units

Indoor units connected directly to the cooling agent system ensure the heating and cooling distribution within the buildings. Here, no additional heat exchangers are used – the closed system ensures efficient temperature control.

Combination: Hot water and cooling agent

Optionally, an additional heat exchanger can be integrated into the system. For example, an adjacent office or a hot water requirement can be supplied.
In this section you will find product brochures, technical information and press articles about Schwank gas heat pump systems.
Gas heat pump – Brochure
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Gas heat pumps 31. January 2019

Case Studies

Low consumption is the main criterion

Low consumption is the main criterion

The year round requirements for the new heating and cooling system require 18 ° C to 25 ° C and a relative humidity of less than 60%. ... read more

Heating & cooling with only one system

Heating & cooling with only one system

The 2.000 m² should be kept at max. 25°C in summer, in winter the hall should be warmed up to 18°C with the same system. The conversion read more

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