Plumbing & Building Services

Daniel Schmid, Sanitäre Anlagen 

Adligenswil · Since 2010

The core activity of Schmid Sanitär is the provision of sanitary services, including repairs, conversions and new construction of sanitary facilities as well as technical installations. This also includes bathroom renovations and the distribution of quality-tested gas cylinders.

Dauti-Haustechnik GmbH 

Bülach · Since 2008

The core activity of Dauti-Haustechnik GmbH is the planning, installation and maintenance of building technology systems, including heating, plumbing and ventilation, for single-family homes, multi-family homes, offices and large buildings.

db element montage gmbh 

Altendorf · Since 2019

db element montage gmbh performs sanitary installation and assembly work for pre-wall and partition systems, installing welded sanitary elements, GIS elements and Duofix systems.

db plantech gmbh 

Oetwil Am See · Since 2012

The company db planetch GmbH is an engineering firm specializing in the planning and consulting of building technology solutions, particularly in the field of heating, ventilation, and sanitation (HLS) for public and private buildings. The core activities include: energy-efficient HLS planning, building physics and energy consulting, planning and design of heating, ventilation, and sanitation systems, energy demand calculations and certifications, and MINERGIE planning. The company offers its services for new buildings, renovations, and refurbishments of residential and commercial properties, as well as public buildings.

D. Crottaz & Fils Sàrl 

Ferreyres · Since 2009

D. Crottaz & Fils Sàrl is a family-run company providing sanitary and heating installations and services, as well as work related to swimming pools. Services include new installations, maintenance and renovation of bathrooms and heating systems (heat pumps, pellets/wood, gas, oil), excavation works, solar panels, controlled ventilation, and a sales area for pellet appliances.

Decrusch GmbH 

Siebnen · Since 2001

Decrusch GmbH is a heating-technology company offering heat pumps (air–water and brine/ground‑water systems). The company supplies products and provides services, including maintenance and service support for heat pump systems.

De Martino GmbH 

Zurich · Since 2020

The core activity of De Martino GmbH is the provision of services in the field of building technology, particularly in the renovation, installation and repair of heating and plumbing work, including: boiler renovations (gas, oil, renewable energy), thermal solar systems, wet cell renovations, kitchen renovations, conversions/new buildings, pipeline construction, and welding work (autogenous, TIG). The company offers individual problem solutions and tailored results to achieve the highest customer satisfaction.

Demont GmbH 

Flamatt · Since 2001

The core activity of Demont GmbH is the execution of dismantling and industrial demolition, in particular of: heating systems, tank facilities (oil, petrol, chemicals), industrial plants, ventilation, air conditioning and cooling systems, passenger and goods lifts, swimming pool technology, shop fittings, escalators, conveyor systems, brick walls, ceramic coatings, wooden structures, metal structures, machines and equipment of all kinds. The company also offers competent removal and professional disposal of dismantled systems and materials.

Despont SA 

Biel/Bienne · Since 1993

Despont SA is a company specialising in sanitary installations, sheet-metal work and flat roofing. It provides installation, repair and maintenance services for water, gas and heating systems, including boilers, water heaters, decalcification equipment and pipe unblocking.

DES-PRO SARL 

Petit-Lancy · Since 2019

The core activity of Des-Pro SARL is the professional disinfection and extermination of pests, including the control of parasites and other unwanted animals. The company provides solutions for the elimination of pests and the restoration of a clean and healthy environment, relying on the use of high-quality products and proven techniques to protect the health and safety of its customers.

DesTech GmbH 

Heimberg · Since 2021

The core activity of DesTech is the planning, consulting and implementation of heating, ventilation and sanitary technology solutions for new buildings and renovations in the canton of Bern. The company offers individual concepts, energy consulting, building applications and A-Z planning to create efficient and sustainable building technology solutions.

DESTO GmbH 

Malters · Since 2024

DESTO GmbH provides heating and cooling technology services, including system planning, installation, maintenance and dismantling of heating and refrigeration systems for residential, commercial and industrial clients.

Deval Sanitär GmbH 

Kirchberg Be · Since 2022

The core activity of Deval Sanitär GmbH is the provision of services in the field of sanitary technology, particularly in pipe construction, stainless steel processing, steel processing, welding work and water supply systems. The company offers customized solutions for private and commercial projects and focuses on sanitary technology in Kirchberg near Bern.

Deville Sanitaire SA 

Geneva · Since 1991

Deville Sanitaire SA provides sanitary installation, sheet‑metal (ferblanterie) and roofing services.

DF Sanitaire SA 

Belmont-Sur-Lausanne · Since 2022

DF Sanitaire SA is a sanitary and heating services company providing installation, maintenance and a 24-hour emergency service for heating, sanitary systems, air conditioning and ventilation. Additional services include leak detection and repair, descaling of water heaters, renovation works, studies and expert assessments, and renewable energy solutions such as solar and heat pumps.

DGA sanitaire Sàrl 

Gland · Since 2002

DGA sanitaire Sàrl provides sanitary installation and building-technical services. Its offerings include installation, maintenance and emergency repair of sanitary systems, renovation and compliance work, and the supply and fitting of equipment such as water heaters, taps and sanitary fixtures.

DG Expertise SA 

Meyrin · Since 2015

DG Expertise is primarily involved in environmental and health diagnostics, particularly in the detection and assessment of environmental pollutants and toxins in buildings and workplaces. The core activities include: * Diagnostics of asbestos, lead, polychlorinated biphenyls (PCB), halogenated flame retardants (HAP, HBCD) and other pollutants * Monitoring of construction sites and measurement of air quality * Conducting audits and assessments in the field of energy efficiency and renewable energy * Consulting and training of customers and partners on environmental and health issues The company offers its services in various regions of Switzerland, including Geneva, Fribourg, Vaud, Neuchâtel and Valais.

Diadem AG 

Mosen · Since 1995

Diadem AG designs and supplies thermal-engineering equipment and systems, with a focus on heat exchangers (plate, shell-and-tube, double-pipe, finned-tube), cooling systems and special pressure vessels. The company provides engineering, thermal design, production documentation, manufacturing supervision and quality assurance, and coordinates production with external manufacturers for power plants, industrial processes, wastewater and compressor applications.

Dickenmann GmbH 

Bönigen B. Interlaken · Since 2008

The core activity of Dickenmann GmbH is the planning, development and implementation of solutions for building technology, particularly in the areas of: * Heating systems (underfloor heating, pellet heating, heat pumps) * Sanitary facilities (innovative solutions for hygiene, functionality and design) * Water supply (municipal water supply, expansion of existing networks, construction of new supply infrastructure) * Core drilling (highest precision and reliability for various applications, such as heating installations, pipelines or other construction projects) The company offers customized systems for every need and focuses on efficient, reliable and resource-saving supply.

Die Bau Leu GmbH 

Illnau · Since 2017

The core activity of the company 'Die Bau Leu GmbH' consists of planning, installing and maintaining heating systems, in particular heat pumps, gas heating systems, wood pellet and district heating systems, as well as providing sanitary and refrigeration services. The company offers its customers individually tailored solutions for their heating needs, with a focus on energy efficiency, environmental friendliness and cost-effective solutions.