Air conditioning in
Zurich
80 companies in Air conditioning based in Zurich — name and year of registration from the commercial register.
50 of 80 companies
A. Baltensperger AG Zürich
Since 1988 · 11–20 empl.4.6(38)
A. Baltensperger AG Zürich is a building-services company specialising in plumbing and heating systems, as well as ventilation, air conditioning and refrigeration. Its services include consulting and planning, installation, maintenance and repair.
Guyer Wärme und Wasser AG
Since 1971 · 21–50 empl.4.4(58)
Guyer Wärme und Wasser AG provides building engineering services for heating, cooling and plumbing systems in renovations and new construction. Its services include consulting, planning, installation, maintenance and customer support, covering heating and hot-water systems, bathrooms and controlled residential ventilation.
ECO HAUSTECHNIK AG
Since 2013 · 1–10 empl.4.7(98)
ECO HAUSTECHNIK AG plans and installs heating and plumbing systems and provides services for ventilation and climate systems. Its work includes maintenance, repairs and renovations for private and commercial customers, property managers and building owners.
Klimavent AG, Zweigniederlassung Zürich
Since 2009 · 11–20 empl.4.9(27)
Klimavent AG, Zweigniederlassung Zürich designs, installs and maintains ventilation and air-conditioning systems. Its services also include repairs, cleaning and hygiene work, and energy optimisation of existing systems.
G. Kull AG
Since 1967 · 51–100 empl.4.8(8)
G. Kull AG develops and manufactures equipment and systems for ventilation, dehumidification and shelter technology. Its activities include planning, installation and maintenance of laundry dryers, dehumidification systems, and air and filter systems for shelters.
Karl Waechter AG
Since 2011 · 21–50 empl.4.4(16)
Karl Waechter AG is a building technology company specialising in plumbing, sheet-metal work, photovoltaic systems, heating, ventilation and cooling installations. It also provides consulting and planning, as well as installation, maintenance and service for energy and building technology projects.
Kälin Sanitär+Heizung AG
Since 2010 · 11–20 empl.4.3(25)
Kälin Sanitär+Heizung AG plans, installs and maintains plumbing and heating systems, as well as ventilation, refrigeration and air-conditioning systems. It also provides building-services planning and maintenance for new builds, alterations and renovations.
ANSON AG
Since 1967 · 1–10 empl.4.5(24)
ANSON AG supplies products and systems for ventilation and air conditioning, including fans, heat-recovery ventilation units, air-conditioning equipment and filters. Its services include advice, delivery, installation, commissioning and maintenance for residential, commercial and industrial applications.

Jacques Bosshard, Heizungs- und Lüftungs AG
Since 1982 · 1–10 empl.4.6(14)
The core activity of Jacques Bosshard Heizungs- und Lüftungs AG is the planning, installation, maintenance and repair of heating, ventilation and air conditioning systems as well as the associated piping. The company offers a wide range of services, including the installation of heat pumps, boiler houses, solar systems, underfloor heating, radiators and cooling systems. In addition, the company also provides services such as remote monitoring, water treatment and 24-hour standby service.
Pfiffner AG
Since 1969 · 21–50 empl.4.1(20)
Pfiffner AG plans and installs building technology systems for residential and commercial properties. Its services include energy concepts and overall planning, heating, ventilation, air conditioning, refrigeration, plumbing and building automation, as well as maintenance and servicing.
Meier-Kopp AG
Since 1973 · 11–20 empl.4.3(10)
Meier-Kopp AG plans and installs ventilation and air-conditioning systems for a range of building types. Its services include consulting, project planning, system construction and commissioning, as well as refurbishment, optimisation and dismantling.
Luigi Casutt AG
Since 1976 · 11–20 empl.4.2(19)
Luigi Casutt AG is a building services company offering heating, ventilation, refrigeration and air conditioning, as well as plumbing services. It plans, installs and maintains systems for residential and commercial customers.
Meier-Kopp Service AG
Since 1995 · 21–50 empl.4.2(14)
Meier-Kopp Service AG provides services for ventilation, air-conditioning, refrigeration and heating systems. Its activities include consulting and planning, maintenance, repairs, system upgrades, ventilation cleaning and hygiene inspections, as well as energy optimisation, insulation and fire protection.
Heizen24 AG
Since 2009 · 11–20 empl.4.4(14)
Heizen24 AG provides building technology services for heating, plumbing, air-conditioning and ventilation systems. Its services include planning, installation, maintenance, repairs, technical building management and digital system monitoring using IoT.
KZZ Klimaanlagen Zentrum Zürich GmbH
Since 2021 · 1–10 empl.4.8(32)
KZZ Klimaanlagen Zentrum Zürich GmbH provides air-conditioning advice and sales for residential, commercial and industrial customers. Its services include system planning and installation, as well as maintenance, servicing and repairs.
Koster AG Gebäudetechnik
Since 1970 · 51–100 empl.3.5(55)
Koster AG Gebäudetechnik provides building technology services. Its activities include consulting, planning, installation and maintenance of heating, plumbing, ventilation, air conditioning and refrigeration systems, as well as building automation.
Ardy's GmbH
Since 2019 · 1–10 empl.5.0(14)
Ardy's GmbH provides building services for plumbing, heating, air conditioning and ventilation systems. Its activities include planning, installation and maintenance, as well as bathroom renovations, drain cleaning and water-damage remediation.
Benz + Cie AG
Since 1962 · 21–50 empl.4.0(19)
Benz + Cie AG plans, installs and repairs heating, cooling and plumbing systems for residential buildings, businesses and public institutions. Its services also include consulting, maintenance and support.
Walair AG
Since 1992 · 21–50 empl.3.9(12)
Walair AG plans and installs ventilation and air-conditioning systems and provides consulting, planning and implementation services for building services engineering. Its services also include maintenance, cleaning and optimisation of existing systems.
H2O Haustechnik AG
Since 2004 · 11–20 empl.4.6(10)
H2O Haustechnik AG plans and installs plumbing, heating and ventilation systems for residential, commercial and public buildings. Its services also include consulting, project planning, renovations, upgrades and repairs.
AQUA rep Haustechnik GmbH
Since 2020 · 21–50 empl.4.5(15)
AQUA rep Haustechnik GmbH plans, installs and services residential and building technology systems. Its activities include plumbing, heating, ventilation, solar and air-conditioning systems, as well as bathroom renovations and repairs.
Sigrist + Partner Sanitär- + Wärmetechnik AG
Since 1970 · 11–20 empl.4.3(11)
Sigrist + Partner Sanitär- + Wärmetechnik AG plans and installs plumbing, heating, solar and cooling systems. Its services include bathroom renovations, maintenance and repairs, as well as heating solutions using heat pumps and district heating.
Wärmebau AG
Since 1972 · 11–20 empl.3.7(34)
Wärmebau AG is a building-services company specialising in heating, plumbing, air conditioning and ventilation systems. Its services include consultation, planning, installation, repair, maintenance and customer support for heating and plumbing systems.
KATECH AG
Since 1998 · 1–10 empl.4.5(10)
KATECH AG plans, installs and maintains refrigeration, air-conditioning and ventilation systems for private, commercial and industrial customers. Its services also include repairs and the rental of cooling and air-conditioning equipment.
Thieme-Klima
Since 1990 · 1–10 empl.
Thieme-Klima plans, designs, installs and maintains building climate-control systems. It serves industrial, commercial and service businesses, as well as residential and public buildings.
EDR Haustechnik GmbH
Since 1998 · 1–10 empl.
EDR Haustechnik GmbH plans and installs building services, climate control, heating and refrigeration systems. Its services include new installations, repairs and maintenance, as well as work on heating and cooling equipment, hot-water systems, switchgear and control systems.
Thieme-Klima AG
Since 2000 · 1–10 empl.
Thieme-Klima AG plans, designs, installs and maintains ventilation and other building services systems for industrial, commercial and service-sector clients. Its projects include systems for residential, office and school buildings, as well as recording studios and event halls.
Haustechnik Zürich GmbH
Since 2010 · 1–10 empl.
Haustechnik Zürich GmbH provides services in plumbing, heating, ventilation and electrical systems. Its offering also includes charging stations and solar energy.
4Plus Service AG
Since 2015 · 1–10 empl.
4Plus Service AG provides services for heating, ventilation, air conditioning and plumbing systems. Its work includes consultation and planning, new construction and renovations, as well as maintenance, servicing, repairs and fault analysis.
DOMTECHNIK GMBH
Since 2020 · 1–10 empl.
DOMTECHNIK GMBH plans, installs and maintains building services systems for heating, ventilation, air conditioning and plumbing. Its services also include building automation, maintenance and repairs, and ventilation and drain cleaning.
W. Haas AG
Since 1999 · 1–10 empl.5.0(4)
W. Haas AG plans and installs ventilation and air-conditioning systems for new builds and renovations of multi-family and single-family homes. Its services also include permit applications, tender documents, maintenance and repairs of ventilation systems and fans.
K. Hottinger AG
Since 2007 · 1–10 empl.4.2(5)
K. Hottinger AG provides services and trades in heating, cooling and plumbing systems. Its activities also include pipework and plant construction, maintenance and service, and the installation of heating generation systems, heat pumps, cooling systems and plumbing equipment.
Econair AG
Since 2003 · 1–10 empl.3.7(6)
Econair AG provides services in heating, ventilation, air conditioning, refrigeration, sanitary/plumbing, fire protection and smoke extraction.
Hasler Haustechnik AG
Since 1992 · 1–10 empl.3.6(33)
Hasler Haustechnik AG plans, installs and repairs heating, plumbing and ventilation systems. The company also supplies spare parts and provides plumbing work for new builds, renovations and maintenance.
Thermatic AG
Since 1963 · 1–10 empl.5.0(3)
Thermatic AG plans and installs heating, ventilation, air-conditioning and refrigeration systems, heat-recovery systems, and industrial pipework. Its services also include maintenance, energy optimisation, and rental equipment such as mobile heaters and chillers.
Max Keller AG Lüftungs- und Klimaanlagen
Since 1994 · 1–10 empl.5.0(3)
Max Keller AG Lüftungs- und Klimaanlagen plans, installs and maintains ventilation and air-conditioning systems. Its services include consulting, project planning, system construction, servicing and maintenance for commercial, industrial, public and residential buildings.
Aeras-Lüftung GmbH
Since 2019 · 1–10 empl.5.0(3)
Aeras-Lüftung GmbH plans, installs and services ventilation systems for residential, industrial and public buildings, as well as hospitals, laboratories and cleanrooms. Its services include consultation, planning, installation and maintenance.
Longhitano HLKS GmbH
Since 2020 · 1–10 empl.4.3(9)
Longhitano HLKS GmbH provides building-services engineering, including consulting and planning, and the installation of plumbing, heating and ventilation systems. Its services also include plumbing repairs, gas systems for laboratories and work as part of general contracting projects.
Solair Lüftungstechnik GmbH
Since 2019 · 1–10 empl.5.0(2)
Solair Lüftungstechnik GmbH carries out installation work on ventilation systems. Its services include assembly and dismantling, consulting, commissioning, ventilation hygiene, servicing and maintenance.
GK Lüftung AG
Since 2025 · 11–20 empl.
GK Lüftung AG plans and installs ventilation systems and other building technology systems. Its services include consulting, maintenance, dismantling and customer support.
BÄCHLER INSTALLATIONEN AG
Since 2002 · 1–10 empl.4.0(1)
BÄCHLER INSTALLATIONEN AG provides services, installation work and related planning for plumbing and heating systems. The company is part of Kälin Sanitär + Heizung AG, which handles orders directly.
Ziberi Haustechnik GmbH
Since 2012 · 1–10 empl.5.0(1)
Ziberi Haustechnik GmbH coordinates and carries out work in heating, ventilation, air conditioning, refrigeration and plumbing. Its services include consulting, planning, installation and maintenance of plumbing and heating systems, ground-source probes, solar systems, and refrigeration and air-conditioning equipment.
prioFix GmbH
Since 2021 · 1–10 empl.5.0(2)
prioFix GmbH provides plumbing and building-services work. Its services include plumbing installations, maintenance and repairs, as well as work on heating and cooling systems.
ReWert AG
Since 2025 · 1–10 empl.
ReWert AG plans and installs ventilation and air-conditioning systems and upgrades existing building-services equipment. Its services include system assessments and consulting, as well as commissioning, maintenance and servicing.
ImmoHeat GmbH
Since 2025 · 1–10 empl.
ImmoHeat GmbH specialises in building services and technical maintenance, covering heating, ventilation and plumbing systems as well as building upkeep. Its services include heating system maintenance, repairs and modernisation, along with the rental of mobile heating and hot-water units.
Fäs Installationen AG
Since 2026 · 1–10 empl.
Fäs Installationen AG provides building-services installations in plumbing, heating, ventilation and air conditioning, as well as sheet-metal work. Its services include new installations and renovations, repairs, maintenance and hygiene testing.
Air Service Solutions GmbH
Since 2026 · 1–10 empl.
Air Service Solutions GmbH provides services for ventilation, air-conditioning and refrigeration systems. Its activities include installation, maintenance, repairs, troubleshooting, optimisation and modernisation of existing systems, as well as air-conditioning advice and planning.
Bunjaku GmbH
Since 2026 · 1–10 empl.
Bunjaku GmbH provides services in heating, refrigeration, plumbing and water systems. Its work includes planning, installation, maintenance and repair of systems such as heating, cooling and solar installations, as well as an emergency call-out service.
KlimaZüri GmbH
Since 2026 · 1–10 empl.
KlimaZüri GmbH provides professional installation of efficient split air conditioning systems. The company also supports customers with building permit matters and prepares transparent fixed-price quotes for the installation work.
IVASTO Heizungen GmbH
Since 2019 · 11–20 empl.
The core activity of IVASTO Heizungen GmbH is the planning, installation, maintenance and repair of heating and cooling systems for private and business customers.
Air conditioning in Zurich
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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