Air conditioning in the
Canton of St. Gallen
138 companies in Air conditioning based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 138 companies
Beeler Haustechnik AG
Since 2003 · 11–20 empl.5.0(24)
Beeler Haustechnik AG plans, installs and maintains heating, plumbing, ventilation, air-conditioning and refrigeration systems for private and business customers. Its services also include energy consulting and building technology solutions for industrial facilities.
DORF-Gebäudetechnik AG
Since 2017 · 21–50 empl.4.9(99)
DORF-Gebäudetechnik AG plans, installs and maintains building and domestic systems. Its services include heating, plumbing, ventilation, air conditioning, refrigeration and control technology, as well as bathroom renovations.
Oberholzer Sanitär AG
Since 1999 · 11–20 empl.4.8(20)
Oberholzer Sanitär AG is a building-services company specialising in plumbing installations and building systems. Its services include planning, installing, maintaining and repairing plumbing, solar, ventilation and heating systems, as well as bathroom renovations.
Schönenberger & Partner AG Sanitäre Anlagen
Since 2017 · 1–10 empl.4.9(47)
Schönenberger & Partner AG Sanitäre Anlagen plans, installs and maintains plumbing, heating and ventilation systems. Its services include solutions for new buildings, conversions and renovations, as well as consulting, planning and maintenance.
Stähli Othmar Heizung-Sanitär AG
Since 2002 · 11–20 empl.4.8(20)
Stähli Othmar Heizung-Sanitär AG is a building services company specialising in heating and plumbing systems. Its services include planning, installation, renovation and maintenance, bathroom refurbishments, and water supply operations.
HSH Installationstechnik AG
Since 1996 · 51–100 empl.4.9(11)
HSH Installationstechnik AG plans and installs plumbing, heating and ventilation systems, as well as technical systems for buildings and industry. Its services also include planning, coordinating and delivering wellness and spa facilities such as swimming pools, saunas, whirlpools and steam rooms.
Keller Gebäudetechnik GmbH
Since 2016 · 1–10 empl.5.0(28)
Keller Gebäudetechnik GmbH plans, installs and maintains heating systems, providing consultation and solutions for new buildings and renovations. Its services include ground-source and air-to-water heat pumps, wood, gas and oil heating, dual-source heating systems, thermal solar systems and heat distribution; the company also works in ventilation and solar energy.
Lämmli Haustechnik AG
Since 1999 · 11–20 empl.4.9(13)
Lämmli Haustechnik AG plans and installs heating and plumbing systems, as well as climate-control and alternative-energy solutions. Its services also include maintenance, repairs and 24-hour emergency call-outs.
TCA Thermoclima AG
Since 1975 · 51–100 empl.4.1(21)
TCA Thermoclima AG distributes air-conditioning and heat-pump systems, as well as chilled-water and commercial refrigeration equipment. Its range also includes ventilation systems and services such as commissioning, maintenance, repairs and spare parts.
Vinox GmbH
Since 2023 · 11–20 empl.5.0(36)
Vinox GmbH advises on, sells and installs refrigeration, air-conditioning and energy-saving systems, as well as heat-pump solutions. Its services also include technical plumbing installations, stainless-steel pipe construction and welding, property renovations, and the import and export of goods.
Gschwend Kältech GmbH
Since 2020 · 1–10 empl.5.0(43)
Heller AG Kälte-Energie-Technik
Since 1993 · 11–20 empl.4.4(14)
Heller AG Kälte-Energie-Technik plans, develops and installs refrigeration, climate-control and energy systems for commercial, industrial, vehicle, office and private applications. Its services include cooling and freezing systems, vehicle refrigeration, heat pumps, air conditioning and controls, as well as consulting, maintenance, service and remote monitoring.
Cereghetti Caminada AG
Since 1997 · 1–10 empl.5.0(7)
Cereghetti Caminada AG carries out heating, plumbing and ventilation installation work. Its services include heating systems, plumbing installations, repairs and maintenance, as well as the installation and retrofitting of ventilation systems.
Lampert + Walker AG
Since 1991 · 11–20 empl.4.8(12)
Lampert + Walker AG plans, installs and maintains heating and cooling systems for buildings. Its services and products include heat pumps, district heating, natural gas and biogas systems, wood heating and solar installations, as well as consultation and servicing.
Seiz Haus- und Industrietechnik AG
Since 1997 · 21–50 empl.5.0(5)
Seiz Haus- und Industrietechnik AG plans and installs heating and ventilation systems and pipelines for residential and industrial buildings. Its services also include alternative heating systems and maintenance of building-services installations.
HSK AG Kälte-, Klima- und Energietechnik
Since 2001 · 11–20 empl.4.4(9)
HSK AG Kälte-, Klima- und Energietechnik plans, supplies and installs refrigeration and air-conditioning systems, cooling equipment and cold rooms for bakeries, food businesses, restaurants and retail fit-outs. Its services also include temperature monitoring, maintenance, repairs and system optimisation.
Pitec AG
Since 1964 · 101–500 empl.4.8(5)
Pitec AG supplies equipment, appliances and accessories for bakeries, confectioneries and catering businesses, as well as refrigeration technology. Its services include planning, implementation, sales and technical support, including emergency repairs, inspections and repairs.
Hurni Heizungen GmbH
Since 2012 · 1–10 empl.5.0(12)
Hurni Heizungen GmbH plans and installs heating and ventilation systems for new and renovated buildings. Its services include energy consulting and maintenance of heating systems, burners, boilers, solar installations and geothermal probes.
Helvetherm GmbH
Since 2013 · 1–10 empl.4.9(8)
Helvetherm GmbH imports, brokers and sells heat pumps and heating and hot-water equipment. Its services include consulting, installation, commissioning, maintenance and repairs; its product range includes Panasonic heat pumps, hot-water tanks and buffer tanks.
Lani Gebäudetechnik GmbH
Since 2024 · 1–10 empl.5.0(41)
Lani Gebäudetechnik GmbH provides plumbing, heating and ventilation services. Its work includes planning, installing, maintaining and repairing plumbing systems and heating equipment, including heat pumps, as well as servicing ventilation systems.
Churfirsten Heizungs-Service GmbH
Since 2023 · 1–10 empl.5.0(22)
Churfirsten Heizungs-Service GmbH installs and renovates heating systems, including heat pumps, and provides air-conditioning and oil-burner services. Its services also include maintenance, repairs, and assistance with subsidy applications and building permits.
Scheiwiler Haustechnik AG
Since 1998 · 1–10 empl.4.7(12)
Scheiwiler Haustechnik AG provides building services in the areas of plumbing, heating and ventilation. Its work includes installation, maintenance and repair of sanitary fixtures as well as heating and ventilation systems.
Hungerbühler Klima AG
Since 2016 · 1–10 empl.4.8(6)
Hungerbühler Klima AG plans and supplies exhaust-air treatment systems for industry and livestock farming, and provides consulting, installation and service. It also manufactures glass-fibre-reinforced polyester products and components, including enclosures, slides and calf hutches.
Schenk Bruhin AG
Since 2002 · 21–50 empl.5.0(5)
Schenk Bruhin AG plans and installs heating, ventilation, air conditioning, refrigeration and plumbing systems, as well as metalwork. The company also provides maintenance, repair and service work for building technology systems.
KKE AG
Since 2007 · 1–10 empl.5.0(3)
KKE AG is a company in refrigeration and air-conditioning technology, providing design, installation, maintenance and repair of cooling and climate systems. Services also include rental of refrigerated vehicles, technical service and the sale of components, with an online shop announced on the website.
Kibernetik AG
Since 1965 · 51–100 empl.
Kibernetik AG develops and implements integrated energy systems for residential and commercial buildings. Its products and services include heat pumps, photovoltaic systems, air conditioning, ice machines, consultation and servicing.
Hälg & Co. AG
Since 1981 · 101–500 empl.
Hälg & Co. AG plans, installs and maintains building services systems. Its services include heating, cooling, ventilation and air-conditioning systems, as well as building automation, maintenance, renovations and ventilation cleaning.
Franz Ulmann AG
Since 1982 · 1–10 empl.4.0(6)
Franz Ulmann AG provides building services for heating, plumbing, ventilation and air conditioning. Its services include consultation and planning, installation, maintenance and repair of heating and plumbing systems and other building services.
Walter Bösch AG
Since 1983 · 101–500 empl.
Walter Bösch AG provides building services for heating, ventilation and air conditioning. The company manufactures and distributes ventilation equipment and cooling technology, and offers building automation, integrated systems, installation and maintenance.
Frigel AG
Since 1994 · 51–100 empl.
Frigel AG plans and installs cold rooms, refrigeration systems and air-conditioning systems, and provides servicing and maintenance. The company also sells refrigeration and freezer equipment and offers solutions for sectors including food production, hospitality and pharmaceuticals.
MB Sanitär Heizung Service GmbH
Since 1999 · 1–10 empl.
MB Sanitär Heizung Service GmbH operates in building services, providing plumbing, heating, cooling and ventilation work. Its services include new-build and renovation projects as well as maintenance and servicing of installations.
Zimmermann Messtechnik AG
Since 1999 · 1–10 empl.
Zimmermann Messtechnik AG provides measurement services and technical support for cleanroom systems. Its services include particle and pressure measurements, cleanroom qualification and requalification, and maintenance of ventilation systems.
Fürer AG
Since 2004 · 21–50 empl.
Fürer AG plans and installs building technology systems for new buildings and renovations. Its services include heating, ventilation, air conditioning, cooling and plumbing, as well as solar and photovoltaic systems, with consulting, maintenance and repair.
W. Meier & Co. GmbH
Since 2004 · 1–10 empl.
W. Meier & Co. GmbH plans and installs ventilation and air-conditioning systems for homes, workplaces and technical rooms, as well as garages, restaurants and commercial premises. Its services include consultation, planning, installation and maintenance for new builds, conversions and renovations.
Wilhelm Schetter AG
Since 2006 · 101–500 empl.
Wilhelm Schetter AG plans and installs building services systems for industrial and commercial customers. Its services include heating, ventilation, air conditioning and refrigeration, as well as ongoing system support, maintenance and repair.
Krüger & Co. AG
Since 2008 · 101–500 empl.
Krüger & Co. AG sells and rents equipment for humidification, dehumidification, air conditioning, heating and drying. Its services also include consulting, installation, maintenance and repairs, as well as assistance with water damage.
MF Luft- und Klimatechnik GmbH
Since 2010 · 1–10 empl.
MF Luft- und Klimatechnik GmbH plans, installs and maintains ventilation and air-conditioning systems. Its services also include smoke extraction systems, exhaust systems for underground car parks and extraction systems.
Ender Klima Swiss GmbH
Since 2011 · 21–50 empl.
Ender Klima Swiss GmbH plans, builds and installs ventilation and climate-control systems for industrial, commercial, private and public buildings. Its services also include building automation, maintenance and servicing.
Soluwa GmbH
Since 2011 · 1–10 empl.
Soluwa GmbH supplies heating and air-conditioning solutions. Its range includes heat pumps, air-conditioning units and VRF systems, as well as products for ventilation and heat distribution.
SEGER Lufttechnik AG
Since 2011 · 1–10 empl.
SEGER Lufttechnik AG plans heating, ventilation, air-conditioning and plumbing systems. The company installs ventilation and air-conditioning systems and provides maintenance, service and cleaning of ventilation ducts and pipes.
TECHNOROBOT AG
Since 2012 · 11–20 empl.
TECHNOROBOT AG plans, advises on and installs industrial air-cleaning and climate-control solutions. Its products and services include extraction systems for welding fumes, dust and oil mist, ventilation and air-conditioning systems, and welding equipment, torches and accessories.
topairsystems - topal
Since 2012 · 1–10 empl.
topairsystems - topal provides planning, installation and servicing for ventilation systems, and produces and distributes ventilation ducts, fittings and other ventilation components.
Zoppa GmbH
Since 2013 · 1–10 empl.
Zoppa GmbH develops, plans, installs, renovates and maintains ventilation systems. Its projects serve residential buildings, commercial premises, industrial facilities and public buildings.
A. VOGT Gebäudetechnik AG, Triesen (LI), Zweigniederlassung Buchs (SG)
Since 2014 · 11–20 empl.
A. VOGT Gebäudetechnik AG, Triesen (LI), Zweigniederlassung Buchs (SG) operates in building services engineering. Its activities include planning and installing heating, plumbing, air-conditioning and ventilation systems, as well as maintenance, service and renovation work.
GEBAC GmbH
Since 2016 · 1–10 empl.
GEBAC GmbH plans, installs and maintains heating, cooling, ventilation and air-conditioning systems, as well as building automation. Its services include control and regulation technology, sensors and actuators, control cabinets, custom software, commissioning and upgrades to existing systems.
THT Haustechnik AG
Since 2017 · 1–10 empl.
THT Haustechnik AG plans and carries out plumbing, heating, ventilation and solar technology projects. Its services include new installations and renovations, system installation, and repair and maintenance work.
Fh Kältetechnik AG
Since 2017 · 1–10 empl.
Fh Kältetechnik AG maintains, services and repairs refrigeration and air-conditioning systems, as well as energy and heat-pump equipment, and sells and installs this equipment. It is also a sales and service partner for professional ILSA refrigeration equipment.
Walter Lüchinger AG
Since 2019 · 1–10 empl.4.6(10)
Walter Lüchinger AG plans and installs plumbing, heating, ventilation and air-conditioning systems, as well as energy and building technology. Its services include engineering and consulting, energy analyses, operational optimisation, and maintenance for buildings and industrial facilities.
MB Sanitär Heizung AG
Since 2019 · 1–10 empl.
MB Sanitär Heizung AG plans, installs and renovates plumbing, heating, cooling and ventilation systems. Its services also include maintenance and repairs of building systems.
MIK Haustechnik GmbH
Since 2021 · 1–10 empl.
The core activity of MIK Haustechnik GmbH is the provision of services in the field of building technology, including the installation, maintenance and repair of building technology systems.
Air conditioning in the Canton of St. Gallen
Air conditioning in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
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