Heating installer in the
Canton of St. Gallen

Kobler Energie AG

Since 2019 · 11–20 empl.·4.9(28)

Kobler Energie AG plans and carries out electrical installations, photovoltaic systems, and heating and plumbing projects. Its services also include building automation, telephony, battery storage, and electric vehicle charging stations.

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.

René Hugentobler AG

Since 1989 · 1–10 empl.·4.8(16)

Your heating and sanitary installer in Eastern Switzerland. Since 1989, René Hugentobler AG from Züberwangen has been ensuring warm homes and functioning bathrooms in Wil SG, Uzwil, Flawil, Hosenruck and throughout Eastern Switzerland. What began as a small heating company is today a family business in its second generation—led by René Hugentobler Senior and his son Remo. We have installed, maintained and repaired over 2,500 heating systems during this time. We stand for honest consultation, fair prices and fast help—even at night and on weekends. Our emergency service is available 24 hours a day, 7 days a week. For heating outages, depending on the location, we respond within 15 to 30 minutes on weekdays.

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.

Lengweiler Heizungen GmbH

Since 1996 · 1–10 empl.·5.0(18)

Lengweiler Heizungen GmbH provides heating system installation, renovation, repair and servicing. Its services also include boiler maintenance, heating controls and renewable heating options such as heat pumps and wood-fired systems.

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.

SAK onergy AG

Since 2022 · 21–50 empl.·5.0(24)

SAK onergy AG is an energy services provider for photovoltaic systems, battery storage, heat pumps and EV charging stations. It advises on, plans, installs and services energy systems, and offers energy management, energy communities and solutions for integrating flexible systems.

Avoro AG

Since 2016 · 11–20 empl.·5.0(19)

Avoro AG is an independent building-services partner. Its services include underfloor, wall and ceiling heating, plug-and-play pre-wall elements, prefabrication and installation support, as well as custom fabrication and welding.

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.

Aqua - Therm Haustechnik GmbH

Since 2013 · 1–10 empl.·4.8(22)

Aqua - Therm Haustechnik GmbH plans and installs heating and plumbing systems, including boilers, heat pumps and equipment for new builds and renovations. Its services also include bathroom renovations, water treatment, energy advice, repairs, maintenance and emergency call-outs.

Spenglerei, Sanitär Kubik AG, Buchs

Since 1987 · 11–20 empl.·4.6(17)

Spenglerei, Sanitär Kubik AG, Buchs carries out sheet-metal and plumbing work and provides heating services. Its activities include metal roofing and other roof work, drinking-water and wastewater installations, heating systems, as well as planning, maintenance and repairs.

kreis wasser ag

Since 1996 · 11–20 empl.·4.3(20)

kreis wasser ag is a building-services company specialising in heating and plumbing. It advises on, plans, installs and maintains heating and plumbing systems, and provides customer services including boiler maintenance.

Wirth Gebäudetechnik AG

Since 1997 · 21–50 empl.·5.0(14)

Wirth Gebäudetechnik AG carries out plumbing and heating installations in residential and industrial buildings, for both new construction and renovation projects. Its services include bathroom and heating-system renovations and maintenance for heating systems.

Rüdisüli Peter AG

Since 1995 · 1–10 empl.·4.9(12)

Rüdisüli Peter AG carries out plumbing and heating installations and provides repair and maintenance services. Its activities also include solar systems, heating and bathroom renovations, the sale and repair of household appliances, and WC trailer rental.

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.

Reto Stalder GmbH

Since 1997 · 1–10 empl.·5.0(11)

Reto Stalder GmbH provides plumbing services, including repairs to sanitary equipment and heating systems, and drain cleaning. Its services also include installing and maintaining water filters and softening systems, as well as bathroom renovations and installations.

Emil Wick Ing. AG

Since 1979 · 1–10 empl.·4.4(25)

Emil Wick Ing. AG plans, installs and renovates heating systems for new and existing buildings. Its services include heat pumps, heating systems using renewable energy, maintenance and plumbing work.

Spirig-Vogel Haustech GmbH

Since 1996 · 21–50 empl.·5.0(8)

Spirig-Vogel Haustech GmbH is a building services and building envelope contractor. Its services include plumbing, heating and ventilation systems, solar energy and heat pumps, as well as flat roofs, sheet metal work, façades, repairs and crane operations.

Hablützel Gebäudetechnik AG

Since 2018 · 11–20 empl.·5.0(6)

Hablützel Gebäudetechnik AG plans, installs and maintains plumbing and heating systems, as well as solar thermal and photovoltaic systems. Its services also include air-conditioning and ventilation systems, energy consulting and 3D bathroom planning.

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.

Hans Wittenwiler AG

Since 1995 · 1–10 empl.·4.7(15)

Hans Wittenwiler AG advises on, plans and installs heating systems. Its work also includes renewable heating technologies such as wood-fired systems, heat pumps and solar installations.

Sonderegger Steiger AG

Since 2016 · 1–10 empl.·4.9(9)

Sonderegger Steiger AG plans and carries out sanitary installations and heating systems.

W. Bissegger AG Wil

Since 1984 · 11–20 empl.·4.8(5)

W. Bissegger AG Wil plans, installs, renovates and maintains heating, ventilation and plumbing systems. Its services include heat pumps, solar installations, ventilation systems and plumbing installations.

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.

John Heizung + Sanitär AG

Since 2007 · 1–10 empl.·4.8(10)

John Heizung + Sanitär AG carries out heating and plumbing work. Its services include consulting, planning and installation of heating systems, including heat pumps, as well as new builds, renovations, repairs and maintenance of heating and plumbing systems.

DREXEL Group AG

Since 2024 · 11–20 empl.·5.0(19)

DREXEL Group AG plans and installs photovoltaic systems for residential and commercial buildings and supplies battery storage and heat pumps. Its real estate activities include acquiring, developing and renovating properties, as well as project development, client representation during construction and property marketing.

Dürr Haustechnik AG

Since 1971 · 1–10 empl.·4.8(8)

Dürr Haustechnik AG provides heating and plumbing services as well as sheet-metal work for buildings. Its activities include planning, installation, maintenance and repair of heating systems and heat pumps, bathroom renovations, flat-roof sealing, solar installations and lightning protection.

engeler ag Heizung-Sanitär

Since 1977 · 1–10 empl.·5.0(8)

engeler ag Heizung-Sanitär plans, installs and maintains heating and building-technology systems. Its services include heat pumps, solar and wood heating, district-heating connections, and gas and oil heating systems.

W. Federli AG

Since 1987 · 1–10 empl.·4.8(8)

W. Federli AG plans, installs and maintains heating systems for residential, industrial and public buildings. Its services include heat pumps, oil, gas and wood heating, various heat distribution systems and solar installations, as well as consultation, planning 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.

Kühne Wärmetechnik GmbH

Since 2013 · 1–10 empl.·5.0(7)

Kühne Wärmetechnik GmbH installs, maintains and repairs heating systems and burners, and provides a 24-hour emergency service. Its services also include fitting heating systems and stoves, building and renovating chimneys, and chimney sweeping.

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.

Podhradsky AG, Heizungen

Since 1982 · 1–10 empl.·5.0(3)

Podhradsky AG, Heizungen provides heating and solar systems and publishes project information and contact details on its website.

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.

Sanitär Amgarten AG

Since 1985 · 1–10 empl.·5.0(9)

Sanitär Amgarten AG plans and carries out plumbing, heating and sheet-metal work for new builds and renovations. Its services include heating systems using renewable energy, gas or oil, as well as boiler and chimney renovations.