Building services engineer in the
Canton of St. Gallen

NEK Umwelttechnik AG

Since 1989 · 1–10 empl.

NEK Umwelttechnik AG is an independent engineering and planning company working in renewable energy and building services. It develops wind energy projects and provides services in geothermal energy, heating, ventilation and air conditioning, as well as drone surveying and mapping.

Amstein + Walthert St. Gallen AG

Since 1998 · 21–50 empl.

Amstein + Walthert St. Gallen AG provides engineering and consulting services for building services. Its work includes integrated building-services planning, energy concepts, and concepts for building operation and maintenance.

Strulik GmbH

Since 2005 · 21–50 empl.

Strulik GmbH develops, plans and supplies systems for ventilation, smoke extraction, pressurisation and fire protection in buildings. Its products include air diffusers, fire and smoke dampers, and custom air distribution systems.

IEP Ingenieure AG

Since 2008 · 1–10 empl.

IEP Ingenieure AG provides consulting and engineering services in acoustics, building physics, heating, cooling and ventilation, environmental matters, and fire protection. It develops integrated building concepts and incorporates them into project planning.

HKG Engineering AG Vilters

Since 2010 · 11–20 empl.

HKG Engineering AG Vilters is an engineering and consulting company specialising in building services and energy. Its services include electrical engineering, building automation and IT, security, and the planning of technical systems for buildings and infrastructure.

HKG Engineering AG Schlieren

Since 2010 · 21–50 empl.

HKG Engineering AG Schlieren is an engineering firm specialising in building technology and energy consulting. Its areas of expertise include electrical engineering, building automation and IT, security, energy, digitalisation and overall engineering.

Cioce AG

Since 2010 · 1–10 empl.

Cioce AG is an engineering firm specialising in plumbing and building-services planning. It plans plumbing systems, coordinates heating, ventilation, air-conditioning and electrical services, and develops concepts for pure media and medical gases.

Gschwend GmbH

Since 2011 · 1–10 empl.

Gschwend GmbH is an independent engineering consultancy for building services, energy and environmental advice. Its services include heating, ventilation, air conditioning and plumbing design, energy assessments and GEAK certificates, facility management, and overall coordination of construction projects.

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.

HEFTI. HESS. MARTIGNONI. St. Gallen AG

Since 2011 · 101–500 empl.

HEFTI. HESS. MARTIGNONI. St. Gallen AG is an engineering company specialising in electrical and building-services planning for buildings and infrastructure. Its services include HVAC and electrical engineering, building automation, energy supply, photovoltaics, lighting design, security and fire protection.

Gübeli Energie Technik GmbH

Since 2012 · 1–10 empl.

Gübeli Energie Technik GmbH is an engineering office working in heating, ventilation, climate control and energy. Its services include heat generation and heat distribution systems, air-treatment systems, energy technology and the efficient use of resources.

Züllig + Rusch GmbH

Since 2012 · 1–10 empl.

Züllig + Rusch GmbH plans building services systems and advises on heating, ventilation, air conditioning and plumbing. Its services also include energy consulting and the preparation of energy certificates, permit documents and subsidy applications.

inpla ag

Since 2014 · 11–20 empl.

inpla ag plans and coordinates building services systems for heating, ventilation, air conditioning, refrigeration and plumbing. Its services also include energy studies, expert assessments, and planning renewable and alternative energy systems.

Edwin Keller + Partner AG Gossau

Since 2014 · 1–10 empl.

Edwin Keller + Partner AG Gossau is an independent engineering firm specialising in building services, with a focus on impartial consulting and planning. Its services include specialist coordination and planning for plumbing, heating, ventilation, air conditioning and cooling.

ma2r GmbH

Since 2017 · 1–10 empl.

ma2r GmbH plans and manages projects in building services engineering and water treatment systems. Its services include project management, plumbing design, coordination and specialist construction supervision, as well as project development, implementation and advice to building owners.

Haustechnik Plan B AG

Since 2018 · 11–20 empl.

Haustechnik Plan B AG is an engineering consultancy for building services, covering heating, ventilation, cooling, plumbing and specialist coordination. Its services also include sewer planning, feasibility studies, condition assessments, heating system renovations and building services consulting.

Lubina Engineering GmbH

Since 2019 · 11–20 empl.

Lubina Engineering GmbH is a general planning and engineering firm for building services. It plans heating, ventilation, air-conditioning, refrigeration, plumbing and electrical systems, and provides specialist coordination, fire protection consulting, building physics services, energy performance certificates and energy advice.

Aquatransform GmbH

Since 2019 · 1–10 empl.

Aquatransform GmbH provides planning and consulting for swimming pool and wellness technology, water art, and specialised water installations. Its services also include specialist construction supervision and assessments of water engineering systems.

Züst Ingenieurbüro Haustechnik AG Zweigniederlassung St. Gallen

Since 2020 · 1–10 empl.

Züst Ingenieurbüro Haustechnik AG Zweigniederlassung St. Gallen is an engineering consultancy for building services. It plans heating, ventilation, plumbing and cooling systems, as well as energy solutions, and prepares energy certificates and GEAK reports for new buildings and renovations.

Contegra AG Integrale Planung

Since 2020 · 11–20 empl.

Contegra AG Integrale Planung is an engineering consultancy for energy systems, building services and plant engineering. Its services include project development and planning, overall management of technical projects, consulting, studies, analyses and operational optimisation.

originate GmbH

Since 2020 · 1–10 empl.

originate GmbH measures heat and cooling in buildings, providing data to support the planning and sizing of heating and cooling systems. It also analyses and optimises existing heating, cooling and ventilation systems, and offers measurement and engineering services.

Preplan GmbH

Since 2017 · 1–10 empl.

The core activity of Preplan GmbH is planning and consulting in the field of building technology, particularly in the areas of energy consulting, specialist coordination, concepts and consulting, plant optimization, feasibility studies and economic analysis. The company offers its services as a building technology engineering office, covering all phases of HLKS (heating, ventilation, air conditioning, sanitation) services.

Herzplan GmbH

Since 2018 · 1–10 empl.

Herzplan GmbH advises on and prepares plumbing plans for single- and multi-family homes, industrial projects, bathroom renovations and sewer systems. It produces 2D and 3D plans, visualises bathrooms and wellness areas, coordinates trades and provides client representation during construction.

Gabriele + Partner GmbH

Since 2014 · 11–20 empl.·5.0(3)

Gabriele + Partner GmbH is an engineering consultancy for building services, working in heating, cooling, ventilation, air conditioning and sanitary systems. It also provides coordination, consultancy and project development for new builds, modernisations and optimisation projects.

AES Alternative Energie Systeme GmbH

Since 2008 · 1–10 empl.·4.6(5)

AES Alternative Energie Systeme GmbH trades in alternative energy systems and provides consulting, planning and services for heating and energy management in buildings. Its offerings include stratified storage systems, fresh-water stations, solar thermal and photovoltaic solutions, as well as support with implementing and commissioning installations.

Mauron Gebäudetechnik GmbH

Since 2001 · 1–10 empl.·4.3(12)

Mauron Gebäudetechnik GmbH plans and installs heating, ventilation, cooling and plumbing systems, and provides engineering planning for building services. Its services also include maintenance and support, including a 24/7 emergency service.

ADOPLAN GMBH

Since 2024 · 1–10 empl.·5.0(16)

ADOPLAN GMBH is a building-services planning company. It plans heating, ventilation, plumbing and electrical systems, and provides building-services coordination, utility-line planning, specialist construction supervision, 3D planning and prefabrication planning.

IBG Engineering AG

Since 1974 · 51–100 empl.·4.5(2)

IBG Engineering AG provides engineering and consulting services for energy supply and buildings. Its services include network planning and management, electrical planning, building automation, fire protection, photovoltaics and BIM.

Technoplan AG

Since 1974 · 11–20 empl.·4.7(3)

Technoplan AG is a building-services engineering and fire-safety planning firm. Its services include planning heating, plumbing, ventilation and air-conditioning systems, as well as energy concepts, energy consulting, feasibility studies and energy assessments.

Müller Wüst AG

Since 2019 · 1–10 empl.

Müller Wüst AG provides model-based services for building technology, including fabrication models and the prefabrication of pipework and fastening systems. Its services also include planning coordinated fastening systems and digital support for installing plumbing, heating, cooling and sprinkler systems.

Fuchs Sanitärtechnik GmbH

Since 2016 · 1–10 empl.

Fuchs Sanitärtechnik GmbH provides building-services engineering, with a focus on sanitary systems, as well as plumbing maintenance, repairs and pipe cleaning. Its services also include bathroom renovations and the planning, tendering and execution planning of sanitary installations.

Häberlin Engineering GmbH

Since 2017 · 1–10 empl.·5.0(3)

Häberlin Engineering GmbH plans and coordinates building-services systems for heating, ventilation, air conditioning and plumbing, as well as sprinkler systems. Its services include consulting, feasibility studies, condition analyses, operational optimisation and energy solutions.

H2O-Plan GmbH

Since 2019 · 1–10 empl.

H2O-Plan GmbH is an independent engineering office specialising in the planning of plumbing and heating systems. It advises on new builds, conversions and renovations, and provides services including system concepts, design, calculations, cost estimates, tendering and technical plans.

kobelt energie GmbH

Since 2013 · 11–20 empl.·4.0(4)

kobelt energie GmbH advises on, plans and installs building services systems for heating, ventilation, air conditioning and plumbing. Its services also include heating renovations, solar and photovoltaic systems, maintenance, and solutions for using renewable energy.

Instaplan AG

Since 1998 · 21–50 empl.·5.0(3)

Instaplan AG is a building and industrial engineering planning and consulting company focused on industrial businesses. Its services include heating, ventilation, air conditioning, refrigeration and plumbing (HVAC) planning, energy consulting, infrastructure assessments, and project and cost management.

Längle & Staub GmbH

Since 2014 · 1–10 empl.·4.7(6)

Längle & Staub GmbH is a building-services planning and engineering firm. It plans sanitary, heating, cooling and ventilation systems, and also provides BIM services, Legionella-prevention advice and hygiene concepts.

2R Lufttechnik GmbH

Since 2021 · 1–10 empl.

2R Lufttechnik GmbH is a consulting and engineering firm specialising in ventilation and air-conditioning technology. Its services include technical calculations, project planning, specialist construction supervision, consulting and expert reports across all SIA 108 phases.

Linth Haustechnik GmbH

Since 2018 · 1–10 empl.·5.0(4)

Linth Haustechnik GmbH provides services in heating, plumbing, ventilation and energy consulting. Its work includes advising on, planning and installing heating and ventilation systems and plumbing facilities.