6'598 companies found
WPW AG
Worb · Since 2024
WPW AG supplies and supports LAMBDA heat pumps, providing heating installers with a digital quotation tool, ordering and delivery, commissioning, and ongoing maintenance and repair services.
W. Stutz AG
Lucerne · Since 1985
The core activity of W. Stutz AG is the planning, installation and maintenance of building technology systems, particularly in the areas of heating technology, ventilation technology and solar technology. The company offers services such as the installation and maintenance of heating systems, underfloor heating and solar systems, and also advises customers on the selection and optimization of heating systems.
Wüthrich Haustechnik AG
Kleindietwil · Since 2008
The core activity of Wüthrich Haustechnik AG encompasses the planning, installation, and maintenance of building technology systems, particularly in the following areas: Sanitary: bathrooms, central vacuum systems, rainwater harvesting, water softening systems, and clothes dryers; Heating: heat pumps, wood heating systems, oil heating systems, gas heating systems, and heat distribution; Ventilation and solar systems; and core drilling. The company also offers training opportunities for sanitary and heating installers and has a team of experts responsible for planning, installing, and maintaining the systems.
W. von Rotz AG
Kerns · Since 1997
W. von Rotz AG provides planning, sales, installation, commissioning and maintenance services for trace-heating systems. The company sells nVent Raychem products and carries out fault finding, expert reports and training related to trace-heating applications.
WW Wasser und Wärme Haustechnik Sàrl
Delémont · Since 2005
WW Wasser und Wärme Haustechnik Sàrl provides heating, sanitary, ventilation and climate building services including planning, installation and maintenance. The company undertakes new-builds, renovations and repairs, installs heat pump systems, performs boiler cleaning and operates a 24-hour emergency service.
Zaffiro Riccardo Sagl
Preonzo · Since 1999
The core activity of Zaffiro Riccardo Sagl is the planning, installation and maintenance of various types of systems, including: sanitary and heating systems, heat pumps and photovoltaic systems, and energy-efficient building renovations. The company also provides consulting services related to energy efficiency and savings, and supports customers in selecting and installing systems that meet their specific needs.
Zahnd Luft- + Heiztechnik
Münsingen · Since 1996
Zahnd Luft- + Heiztechnik provides building-services engineering, offering consultation, planning, supply, installation and maintenance of heating systems, air-conditioning and boilers. The firm carries out work for new builds, renovations and commercial/industrial projects and provides service and emergency support.
Zanotta-Repp Heizungsbau und Sanitärinstallationen GmbH
Basel · Since 2020
Zanotta-Repp Heizungsbau und Sanitärinstallationen GmbH provides heating and sanitary installation services and general building services for new constructions and renovations. Services include installation and maintenance of heating systems (including underfloor heating), ventilation and cooling, boilers and water heaters, water treatment and rainwater systems, sewer and drainage work, pumps and related repairs.
Zehnder Group Produktion Gränichen AG
Gränichen · Since 1959
Zehnder Group Produktion Gränichen AG is a production unit of the Zehnder Group that manufactures products and components for healthy and comfortable indoor climates. Its product range includes ventilation systems, design radiators and heating and cooling ceiling solutions.
Zeindler Haustechnik GmbH
Marthalen · Since 2001
The company provides services in the field of building technology, particularly in the areas of plumbing, heating and bathroom renovation. It offers consulting, installation, maintenance and renovation of heating systems, sanitary facilities and bathrooms. Additionally, it also provides services in the field of heat pump heating systems.
Zeller Sanitär Heizung GmbH
Zweisimmen · Since 2020
The core activity of Zeller Sanitär Heizung GmbH is the consulting, planning, installation and repair of sanitary, heating and solar systems as well as industrial pipes. This includes in particular: Sanitary installations, Heating systems, Thermal solar systems, Industrial pipes, Service and repair work. The company offers these services as a regional service provider in the building technology sector and positions itself as a reliable contact for customers in Zweisimmen and the surrounding area.
Zengaffinen AG, Die grüne Kältetechnik
Amriswil · Since 1990
Zengaffinen AG, Die grüne Kältetechnik designs, installs and services commercial and industrial refrigeration and air‑conditioning systems, supplies plug‑and‑play cooling units and offers rental cooling equipment. The company implements energy‑efficient solutions such as heat recovery and operates a 24/7 emergency service.
ZEWAG Heizungs- und Sanitärinstallationen AG
Sursee · Since 1974
The core activity of Zewag AG is the planning, installation and maintenance of heating and sanitary technology, including heating technology, sanitary technology and ventilation technology, for private and commercial customers in the Sursee region.
Ziba GU AG
Fahrweid · Since 2014
Ziba GU AG provides sanitary, heating and ventilation services, including bathroom renovations, water-pipe installation, drain and pipe repairs, leak detection and drying, new heating systems (gas and oil), maintenance, heat pumps and ventilation systems with heat recovery.
ZIGG Heizung & Haustechnik GmbH
Gross · Since 2010
Zimmermann Sanitär AG
Weggis · Since 2021
Zimmermann Sanitär AG is a building services company specializing in sanitary systems, providing planning, installation, maintenance and repair of plumbing and bathroom installations. Services include bathroom renovations, boiler and pipe maintenance, installation of water treatment and rainwater systems, and responsibilities in municipal water supply and well management.
ZirkTech GmbH
Zurich · Since 2017
The core activity of Zirktech GmbH is the provision of services in the field of building technology, particularly in the areas of sanitary technology, heating, ventilation and air conditioning (HVAC). Specifically, this includes the installation, maintenance and repair of sanitary facilities, pipes, water filters, bathtubs and other HVAC systems. The company also offers emergency services and has specialized in solving sanitary problems and reducing energy costs.
Zufferey Sàrl
Bramois · Since 2016
The core activity of Zufferey Sàrl is the installation, maintenance and repair of heating, plumbing and air conditioning systems, as well as the sale and installation of corresponding equipment. The company also offers maintenance contracts and emergency services.
Zurbuchen Rohrreinigung GmbH
Oberried Am Brienzersee · Since 2016
The core activity of the company Zurbuchen-Rohrreinigung is sanitary, heating installation and well construction.
Zürichsee Haustechnik GmbH
Rümlang · Since 2017
Zürichsee Haustechnik GmbH provides planning, installation, maintenance and operational services for building services engineering systems. The company works in heating, ventilation, air conditioning/cooling and sanitary systems, offering installations, repairs, renovations and servicing.
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Source: Federal Statistical Office, UID register