6'598 companies found
Geba-Service AG
Basel · Since 1955
The core activity of Geba-Service AG is the planning, installation, maintenance and repair of heating systems, including oil and gas heating systems, heat pumps, solar heating systems and district heating. In addition, the company offers further services such as tank revisions, burner revisions, boiler descaling and exhaust gas measurements.
Gmünder & Kehl AG
Mels · Since 2007
The core activity of Gmünder & Kehl AG is the planning, organization, coordination and execution of sanitary installations, repair services, conversions and new constructions in the field of bathrooms and water installations. The company offers services around bathrooms and water, including the installation, maintenance and repair of sanitary facilities.
Goetschy Haustechnik GmbH
Laufen · Since 2003
Goetschy Haustechnik GmbH provides building services including sanitary/plumbing, heating, solar and ventilation systems, water treatment, water-damage remediation, CAD planning, sales and service of household appliances, plus maintenance and a 24-hour emergency service for private and commercial clients.
Gruber Haustechnik AG
Gampel · Since 2015
Gruber Haustechnik AG is a building services company providing installation and maintenance in ventilation/air conditioning, sanitary (plumbing), heating, and sheet metal/roofing. Its services include system planning, installation, servicing, repairs and an on-call emergency service for residential, commercial and industrial buildings.
Gschwind & Spiegel Haustechnik AG
Therwil · Since 1999
The core activity of Gschwind & Spiegel is sanitary technology, specifically the installation, maintenance and repair of sanitary systems in houses and buildings, including the renovation of bathrooms and the installation of modern sanitary systems.
GT Haustechnik GmbH
Reiden · Since 2018
The core activity of GT Haustechnik Reiden is the planning, consulting and execution of sanitary, heating and ventilation systems for private and commercial customers.
Hans Burri AG
Malters · Since 1985
The core business of Hans Burri AG encompasses the areas of heating, plumbing and industry, particularly the installation, maintenance and repair of heating and plumbing systems as well as industrial plants.
Hasi Heizungen GmbH
Scherzingen · Since 2021
Hasi Heizungen GmbH provides planning, installation and maintenance of heating and sanitary systems and carries out diamond core drilling.
Hausheizung Plus GmbH
Laupersdorf · Since 2022
The core activity of Hausheizung Plus GmbH is the provision of services in the field of heating and sanitation, including the installation, maintenance and repair of heating and sanitary systems, as well as support in the preparation of funding applications and building permit applications.
HausWerker AWL GmbH
Liestal · Since 2022
The core activity of HausWerker A·W·L GmbH is the execution of renovation and conversion work in the field of house and sanitary technology, particularly in the areas of sanitary, heating, dry construction, demolition and tile laying. The company offers a comprehensive service, where all work steps from planning to execution are offered from a single source.
heizpartner gmbh
Reinach Bl · Since 2024
The core activity of heizpartner is the planning, installation, maintenance and repair of heating and cooling systems for buildings, including consulting and designing individual solutions for customers.
Herold Haustechnik GmbH
Möhlin · Since 2023
The core activity of Herold Haustechnik GmbH is the installation, maintenance and repair of sanitary and heating systems, particularly in the field of heat pumps, as well as the implementation of renovation and conversion and new construction projects in the field of building technology.
Hesi Sanitär AG
Schaffhausen · Since 1989
The core activity of HESI AG is the planning, implementation and maintenance of heating and sanitary systems as well as diamond drilling for the construction and renovation sector.
HLJ Pawlowski
Hitzkirch · Since 2022
The core activity of HLJ Kälte & Wärme Gebäudetechnik consists of planning, sales, installation, maintenance, inspection, fault analysis, repair, cleaning and maintenance of heating systems, heat pumps, air conditioning systems, refrigeration technology, refrigeration systems, climate concepts and gastronomy furniture, in particular refrigerators.
Hplus2o Concepts SA
La Tour-De-Peilz · Since 2019
The core activity of H+2O Concepts SA is the planning, installation and maintenance of sanitary and heating systems, including: installation of heating systems (boilers, heat pumps, solar panels), installation of sanitary facilities (water treatment, wastewater treatment), installation of ventilation systems, repair and maintenance of heating systems and sanitary facilities, as well as consulting and planning of projects in the field of heating and sanitary technology. The company thus offers comprehensive services in the fields of heating, sanitary technology and ventilation.
Jean Monod
Prilly · Since 1953
The company Jean Monod SA is a specialist in heating, air conditioning and ventilation systems. Its core activities include the planning, installation, maintenance and repair of heating, air conditioning and ventilation systems for residential and commercial buildings. They also offer services such as maintenance, upkeep and troubleshooting.
Jean Monod S.A.
Prilly · Since 1986
Jean Monod S.A. is a company for heating, ventilation and air conditioning (HVAC) that provides design, installation, maintenance and repair services. It also installs ventilation systems for sensitive environments such as hospitals and laboratories and offers maintenance contracts and emergency service.
Jürg Witzig
Berg Tg · Since 1999
Jürg Witzig is a plumbing and heating firm that plans, installs and services sanitary installations, heating systems and solar systems. Services include photovoltaic and thermal solar installations, heat pump solutions, pellet/wood/oil-gas heating systems, and plumbing services such as rainwater systems and repair/maintenance.
Kaflama AG
Sempach · Since 2016
The core activity of Kaflama AG is the provision of services in the field of heating technology and chimney sweeping. This includes in particular: chimney sweeping work, heating service (including burner service and Lopper heating service), troubleshooting, combustion control, CO measurements, fire protection, and consulting on the selection of the right heating system and fuel. The company thus offers a comprehensive range of services aimed at operating customers' heating systems safely, efficiently and in an environmentally friendly manner.
Keller Haustechnik GmbH
Nottwil · Since 2013
Keller Haustechnik GmbH provides services in sanitary (plumbing), heating and ventilation/indoor climate systems. Its offerings include central vacuum systems, washroom fittings and solar installations; the company also operates a 24‑hour on‑call service.
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Source: Federal Statistical Office, UID register