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At present, the devices of the ECO G GF2 series are the only 3-pipe gas heat pumps in Europe and offer practical functions and powerful performance, thanks to their simultaneous heating and cooling operation. These heat pumps are available with a performance of 45 to 71 kW. Panasonic thus offers the biggest range and flexibility even in the case of problematic power supplies or difficult conditions at the installation site.

  • Flexible control features through simultaneous heating and cooling
  • Low gas consumption with these gas heat pumps due to Miller cycle motor
  • Connection ratio 50 to 200%
  • Maximum permissible strand length of 145 m
  • Low energy consumption due to DC motors
  • High partial load efficiency
  • Up to 24 indoor units can be connected
  • Total line lengths up to 780 m
  • Reduction of the sound level by further 2 dB[A] in silent operation
  • Optional use of LPG as a drive source for these gas heat pumps
In this section you will find product brochures, technical information and press articles about Schwank gas heat pumps.
Gas heat pump – Brochure
1 file(s) 77 downloads
Gas heat pumps 31. January 2019
Gaswärmepumpe – Hybrid System
1 file(s) 155 downloads
Gas heat pumps 11. December 2018
Gaswärmepumpe – Planungshandbuch
1 file(s) 227 downloads
Gas heat pumps 16. April 2019


Application reports


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%. In addition to the heating system already installed, a further system should ensure cooling in the summer as well as maintaining the humidity.

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 of the heating and cooling system had to be carried out during running operations.