Joseph Diémand SA, a company of the Holdigaz Group, is a leading expert in sanitary installations, recognized as one of the most reputable in this field in French-speaking Switzerland. The company operates in renovations, transformations, new constructions, and large-scale complex projects.

With over 100 years of experience and expertise, the company has expanded its fields of competence over the years, delivering innovative installations involving water, specific gases, and special fluids. In every solution it provides, the company ensures the use of environmentally friendly processes and materials.

J. Diémand SA works on major projects, often in synergy with Brauchli SA and Roos Ventilation SA.

A GLOBAL AND RELIABLE SUPPORT FOR YOUR SANITARY INSTALLATIONS

As a specialist in sanitary installations, Joseph Diémand brings its recognized expertise and know-how in water networks and various fluids to assist you with all your projects, whether for new constructions, renovations, transformations, or large-scale complex projects.

We provide comprehensive support, from study and design to implementation and maintenance of your installations. Thanks to our customized and professional approach, we guarantee optimized solutions for your comfort, safety, and energy efficiency.

TECHNICAL EXPERTISE FOR OPTIMIZED INSTALLATIONS

Our experienced teams intervene in all types of projects, integrating modern and high-performance solutions in water distribution, wastewater drainage, water treatment, sanitary fittings, sanitary installations, and maintenance.

We work with individuals, businesses, real estate agencies, and public authorities, ensuring a flexible approach tailored to each client’s specific needs.

24/7 AFTER-SALES SERVICE FOR MAXIMUM RELIABILITY

Because well-maintained equipment is essential to prevent breakdowns and ensure longevity, we offer a 24/7 after-sales service, along with a customized maintenance contract. We respond quickly to any emergency, ensuring the optimal operation of your installations.

SYNERGY OF EXPERTISE WITH THE HOLDIGAZ GROUP

As a member of the building technology companies’ group, Joseph Diémand benefits from the expertise of Holdibat SA and its partners specializing in heating, ventilation, air conditioning, solar energy, and energy renovation.

This collaboration enables us to provide global and innovative solutions, perfectly aligned with today’s demands for energy performance and sustainable development.

WHY CHOOSE JOSEPH DIÉMAND?

Experience and expertise in sanitary installations and water networks
Tailored solutions for individuals, businesses, and professionals
Global and reliable support from design to installation
24/7 responsive after-sales service
A partner of the Holdigaz Group, ensuring a synergy of expertise
Commitment to energy performance and sustainable development

Trust Joseph Diémand for high-quality, durable sanitary installations adapted to your needs!

Contact us today for a personalized study of your project.