55 years experience in the HVAC branch
Grad.-Eng. Marin Zeller TU, VDI, born in 1944, stays for 55 years of experience in the HVAC branch.
There is free software, where you realize within a short time, that it is totally unsuitable. There is software at half price, where you realize, that it can only do half of it. Our software is used by more than 8,000 engineers worldwide.
- Curriculum Vitae (107 KB)
On December 31st 2024 I will liquidate my sole proprietorship Zeller Consulting Suisse and revive it one day later as Zeller Consulting Suisse GmbH. Why? On March 3rd 2024 I turned 80 years old, which is why a change was necessary, i.e. to support the continued existence more broadly and to give several interested parties the opportunity to participate in the company. The value of my company has been estimated at 3 million Swiss francs by several customers who have been using my software for over 30 years and have regularly purchased upgrades, which is why a business share of 1% corresponds to the sum of 30,000 Swiss francs. You have to know, that neutral software for this area can only be bought from 2 companies worldwide, from www.unilab.eu in Padua Italy and from me. I don't want to comment on why former customers of Unilab have switched to me. I will continue to lead my company until 2030. Later, the minority shareholder with the largest shares will continue to run the company. You are invited to participate in Zeller Consulting Suisse GmbH.
The climate change in Switzerland has reached values (K), that are irreversible, because the politicians do nothing about it and since 1970, we have been developing software to save energy in air conditioning systems using heat recovery…
