History
A Swiss success story
Who invented the system?
1985
Foundation of the first independent network engineering office for supply and disposal networks in the public sector.
1987
Patent granted for LSE system for the interior renovation of pipes carrying drinking water in buildings.
1999
HAT-System – market launch for the first internal pipe renovation system for underfloor heating.
2011
ANROSAN – market launch of the first fully mineral-based coating system for pipes carrying drinking water.
2013
Grinding in underfloor heating – market launch for Switzerland’s first use of grinding technology in underfloor heating. This clever system can subsequently turn any floor into a heater.
2014
Since 2014 we have been pursuing an energy management system based on the ISO 50001 standard. As a result, we have assumed a pioneering role when it comes to protecting the environment.
2019
Opening of branch in Villeneuve VD
2020
Opening of a branch in Gebenstorf AG
2020
The Swiss family company celebrates its 35th anniversary. It can look back on a history full of innovations and successes.
2025
Opening of branch in Chur GR
2025
We are celebrating 40 years of the Naef GROUP and are proud of our company’s history.
A consultation that makes all the difference
Ein Beratungsgespräch, das den Unterschied macht
During a free initial telephone consultation, we’ll make time to speak with you about your individual needs. You don’t need to be an expert. Together, we’ll calmly review your situation and determine whether any action is required and if so, what this may be. We’ll explain everything clearly and answer any questions so that you feel confident and know the best way to proceed. Of course, there’s no obligation with this initial consultation.
Where appropriate, we’ll recommend a detailed on-site analysis. One of our specialists will visit the property in question and assess the condition of the relevant pipes. This will provide an accurate and reliable overview of your situation. This paid assessment will form the basis for all further decisions. At the same time, we’ll carefully check whether a renovation is actually necessary, ensuring you avoid any unnecessary work or costs.
