Our Company
In 1984 the company was founded by Mr. Grethen Jos in Waldbredimus. At that time, various customer services and small orders were carried out.
As we received more and more inquiries and orders, our company finally specialized in the assembly area in the heating and sanitary sector.
Then, in 2007, the Grethen Jos SARL was founded. Since the beginning of 2019 there has been a change in the management of Grethen Jos Sarl. Mr. Jeannot Doerfel initially took over as sole managing director and continued to run the company as Mr. Welter left the company completely. In thenear future the long-standing employees and the two daughters of Mr. Jeannot Doerfel (Patricia Doerfel and Claudine Doerfel) will also join the management team. In the technical area for heating & sanitary and air conditioning technology Mr. Jens Fonck will take over the management as master craftsman and Patricia Doerfel & Claudine Doerfel will be responsible for the administrative area. Mr. Jeannot Doerfel himself will continue to actively support the team.
Today the company consists of 17 employees and is characterised by reliability, flexibility, punctuality,clean work, good advice and high-quality craftsmanship. Our services are: Heating and sanitary installations, installation of ventilation systems, decalcification systems, new buildings, renovations, solar systems, repairs, maintenance services and emergency service. Planning and personal advice are provided directly by the management. From there the course for the further work flow is set and the cooperation with other trades is organised.
Based on our 34 years of experience, we can look back on a satisfied, loyal and private clientele, which we maintain until today.
Be inspired in our large bathroom & tile exhibition. With us you get everything from one hand – master hand!
Charte Pompe A Chaleur
Fédération des Artisans
Fédération du Génie Technique
