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Since 2010 in all our prices 2 years subscription are included. In this time you receive tax-free the actual version on request. In this time you receive tax-free our help in all kind of problems. For deliveries, no taxes are to pay, that reason always the price net is valid Upon receipt of your order you receive our invoice with our bank account.

HVAC Solutions


Zeller Consulting Suisse offers you support in planning existing and new installations for air conditioning, refrigeration and energy recovery.
Our customers trust in our professional HVAC applications, such as the AHH software that allows all processes to HX diagram by Mollier or Carrier to be calculated. Climate, comfort and control areas thereby facilitate the design of complex systems.
With the neutral HEH software all types of fin coil heat exchanger can be calculated.
With the neutral CCS software all types of heat recovery systems can be calculated.
Benefit from our 40 year experience in the field of energy engineering.

Please, send your request on - we will be glad to help you!