Air conditioning in the
Canton of Aargau
209 companies in Air conditioning based in the Canton of Aargau — name and year of registration from the commercial register.
50 of 209 companies
HauserTschan Kälte Klima AG
Since 2003 · 11–20 empl.4.8(61)
HauserTschan Kälte Klima AG plans, builds and installs refrigeration and air-conditioning systems for industrial, commercial and agricultural businesses, as well as private households. Its services also include consulting, maintenance, repairs, 24-hour emergency support and the supply of cooling and air-conditioning equipment.
Subag Tech AG
Since 1993 · 21–50 empl.4.7(92)
Subag Tech AG provides services in air conditioning, refrigeration and ventilation technology. Its activities include consulting and planning, selling and installing air-conditioning units and systems, maintenance and repairs, and products for air purification, humidification and dehumidification.
Schmid Gebäudetechnik GmbH
Since 2016 · 11–20 empl.5.0(69)
Schmid Gebäudetechnik GmbH plans, installs, renovates and maintains ventilation and air-conditioning systems for residential, commercial and industrial buildings. Its services also include insulation, fire protection, heating and plumbing insulation, cleanroom ventilation, solar power systems, consultancy and system cleaning.
Klimavent AG
Since 1977 · 21–50 empl.4.9(27)
Klimavent AG plans, installs and maintains ventilation and air-conditioning systems for residential, commercial and industrial customers. Its services also include maintenance, repairs, cleaning and energy optimisation of existing systems.
WIRITA GmbH
Since 2012 · 1–10 empl.4.8(164)
WIRITA GmbH provides building-services work focused on ventilation systems. Its services include maintenance, repairs, cleaning, inspections and commissioning, as well as refurbishment and replacement of systems; it also supplies spare parts and filters.
matco engineering ag
Since 2016 · 21–50 empl.5.0(24)
matco engineering ag plans, designs, installs, maintains and repairs air-conditioning, refrigeration and ventilation systems. It serves residential, office and industrial applications and offers air conditioners, refrigeration systems, climate cabinets, air purifiers and related service.
AKSA WÜRENLOS AG
Since 2003 · 11–20 empl.4.9(35)
AKSA WÜRENLOS AG plans, supplies and installs power-generation and backup systems, combined heat and power plants, and transport refrigeration equipment. It also provides maintenance and repairs for these systems, along with servicing, overhauls and spare parts for Cummins diesel engines.
Cohatec AG
Since 1993 · 1–10 empl.4.8(27)
Cohatec AG provides building services in plumbing, heating, ventilation, air conditioning and refrigeration. It advises on, plans, installs and maintains systems for residential, commercial and industrial customers.
LPM Haustechnik GmbH
Since 2018 · 1–10 empl.5.0(40)
LPM Haustechnik GmbH plans, installs and maintains building-services systems for plumbing, heating and ventilation. Its services include bathroom and plumbing installations, heat pumps, underfloor heating and controlled residential ventilation.
Grolimund AG Muri
Since 2016 · 21–50 empl.4.8(31)
Grolimund AG Muri plans, installs and maintains building services for new builds and renovations. Its services include plumbing, heating, ventilation, air conditioning and solar technology, as well as bathroom design and renovation.
Kieffer AG
Since 2005 · 1–10 empl.4.8(21)
Kieffer AG is a specialist in plumbing, heating and ventilation systems. The company plans, calculates and installs systems, and provides repair and maintenance services.
Veil Haustechnik AG
Since 2015 · 11–20 empl.4.9(20)
Veil Haustechnik AG plans, installs and maintains heating, plumbing and ventilation systems for residential and industrial buildings. Its services also include cooling systems, heat pumps and solar thermal installations.
CLIMAIR GmbH
Since 2012 · 11–20 empl.5.0(11)
CLIMAIR GmbH is a trading company for ventilation and air-conditioning products and components. Its services include planning support, consulting, control and regulation solutions, and commissioning and measurement work on ventilation systems.
Küng Haustechnik Beinwil GmbH
Since 1996 · 21–50 empl.4.9(18)
Küng Haustechnik Beinwil GmbH plans, installs and maintains plumbing, heating and ventilation systems. Its services also include repairs and work on water supply systems.
Liechti + Partner GmbH
Since 2012 · 1–10 empl.5.0(13)
Liechti + Partner GmbH provides services for awnings and glass roofs, as well as heating, ventilation, air conditioning and plumbing. Its building-services work includes conversions, renovations, new installations, repairs and maintenance.
Hug Sanitär + Heizungen AG
Since 2008 · 11–20 empl.4.6(24)
Hug Sanitär + Heizungen AG is a building services company specialising in heating, plumbing and ventilation. It advises on, plans, coordinates and installs building systems, and provides maintenance, repairs and servicing; its services also include climate control and solar energy.
Böss Kälte Klima GmbH
Since 2010 · 1–10 empl.5.0(15)
Böss Kälte Klima GmbH plans, installs and services air-conditioning and refrigeration systems. It sells air-conditioning units and provides cooling and heating solutions for a range of indoor spaces.
Acklin Gebäudetechnik GmbH
Since 2016 · 1–10 empl.5.0(16)
Acklin Gebäudetechnik GmbH plans, installs and maintains heating, plumbing, ventilation and air-conditioning systems. Its services also include consultancy, energy assessments, photovoltaic systems and 24-hour emergency support.
DT Kältetechnik GmbH
Since 2023 · 1–10 empl.5.0(60)
DT Kältetechnik GmbH plans and installs refrigeration systems, including air-conditioning, cooling and freezing systems, and ice machines, and repairs faults. Its services also include consulting, sales, maintenance and servicing.
Boschetti AG
Since 1976 · 21–50 empl.4.1(32)
Boschetti AG plans and installs building services systems in plumbing, heating, ventilation and climate control. Its services include consulting, repairs, maintenance and servicing, from small jobs to large projects.
Marcel Küng AG
Since 1977 · 1–10 empl.4.9(18)
Marcel Küng AG operates in building services. Services described on the website include the planning, installation, maintenance and repair of plumbing, heating and ventilation systems.
Bonura Haustechnik GmbH
Since 2019 · 1–10 empl.4.8(47)
Bonura Haustechnik GmbH provides building services for plumbing, heating, air conditioning and ventilation systems. Its services include planning, installation, renovations, repairs and maintenance, as well as facility management and cleaning.
AQA Gebäudetechnik GmbH
Since 2022 · 11–20 empl.5.0(23)
AQA Gebäudetechnik GmbH plans, installs and maintains building services, including plumbing, heating, ventilation and air-conditioning systems. Its services include advice on heating solutions, bathroom renovations and work on new-build and refurbishment projects.
Penide Wärmepumpen und Kühlanlagen GmbH
Since 2017 · 1–10 empl.4.8(35)
Penide Wärmepumpen und Kühlanlagen GmbH plans, installs and maintains heat pump and cooling systems. The company provides solutions for heating, refrigeration and air conditioning.
Jetzer AG
Since 1969 · 1–10 empl.4.5(20)
Jetzer AG is a building services company specialising in plumbing, heating and ventilation systems. It plans and installs these systems and provides maintenance and repair services.
Suter + Haefeli AG
Since 1980 · 11–20 empl.4.4(25)
Suter + Haefeli AG plans, installs and maintains building services systems for heating, ventilation, air conditioning and plumbing. Its services include heating and ventilation systems, air conditioning, plumbing installations, repairs and maintenance.
Katrac AG
Since 1999 · 1–10 empl.5.0(9)
Katrac AG plans, supplies and installs smoke and heat extraction, smoke ventilation and building ventilation systems. Its services include controls, actuators, rooflights, louvre windows and fire protection curtains, as well as maintenance, repairs and modernisation.
Klimaservice Süess AG
Since 2002 · 21–50 empl.4.3(18)
Klimaservice Süess AG is a company working in climate control, refrigeration and ventilation systems. It provides consulting and planning, system construction and installation, maintenance and repair services, rental solutions, and implements applications such as industrial ventilation and wine‑cellar cooling.
Eichenberger Gebäudetechnik AG
Since 2014 · 51–100 empl.4.6(19)
Eichenberger Gebäudetechnik AG provides building services for plumbing, heating and ventilation systems. Its work includes planning, installation, renovation, maintenance and repairs, with heating solutions such as heat pumps and solar energy systems.
BlagoTech GmbH
Since 2019 · 1–10 empl.5.0(21)
BlagoTech GmbH sells, delivers, installs and repairs household appliances, and provides air-conditioning systems for residential and commercial customers. Its services include consultation, system planning and installation, maintenance and support for property managers.
Winnair AG
Since 1995 · 1–10 empl.4.9(10)
Winnair AG plans and installs ventilation, air-conditioning and refrigeration systems for residential, commercial and production spaces. Its services include maintenance, servicing and assessment of system upgrades or replacements.
Lukaj GmbH
Since 2013 · 1–10 empl.5.0(14)
Lukaj GmbH plans, installs and maintains heating, ventilation and plumbing systems. Its services include heat pumps, boilers, controlled residential ventilation, plumbing work and advice on renewable energy.
Gebr. Liechti Heizung - Sanitär AG
Since 2010 · 11–20 empl.5.0(9)
Gebr. Liechti Heizung - Sanitär AG plans and installs heating and plumbing systems as well as air conditioning and ventilation technology. Its services include heat pumps, solar technology, and maintenance and repairs for building services systems.
AW Haustechnik GmbH
Since 2020 · 1–10 empl.5.0(15)
AW Haustechnik GmbH plans, installs and maintains heating, plumbing and ventilation systems for new builds and renovations. The company also provides repairs and servicing for building services equipment.
SEDtech GmbH
Since 2023 · 1–10 empl.4.9(44)
SEDtech GmbH provides services in plumbing, heating and ventilation technology. Its work includes planning, installation, maintenance and repair of plumbing systems, heating systems and ventilation equipment.
Widmer & Co AG Aargau
Since 2010 · 21–50 empl.5.0(4)
The core activity of Widmer + Co. AG is the planning, installation, renovation, maintenance and repair of thermal and refrigeration systems, particularly heating and cooling systems.
Wülser Zofingen AG
Since 1997 · 21–50 empl.4.4(5)
Wülser Zofingen AG is a building services company that plans, installs and maintains heating, cooling, ventilation, air-conditioning and plumbing systems. Its services also include roofing, sheet-metal work and customer support.
KWT GmbH
Since 2020 · 1–10 empl.4.7(24)
KWT GmbH plans, trades in, installs and maintains air-conditioning, refrigeration and heating systems. Its services include air-conditioning units, heat pumps and refrigeration systems for hospitality, commercial and industrial use, as well as planning, repairs and maintenance.
Demuth AG
Since 1969 · 21–50 empl.4.1(18)
Demuth AG plans and installs building services systems and provides their maintenance. Its services include plumbing, heating, cooling, ventilation and air-conditioning, from consultation and planning through to installation.
Hostettler Sanitär + Heizung AG
Since 1985 · 1–10 empl.4.2(23)
Hostettler Sanitär + Heizung AG plans and installs plumbing and heating systems as well as controlled ventilation systems. Its services include renovations and new installations, bathrooms and kitchens, heat pumps, pellet and solar heating, and rainwater use.
Kurt Frey AG Sanitär + Heizungen
Since 1989 · 21–50 empl.4.5(8)
Kurt Frey AG Sanitär + Heizungen is a building-services company working in plumbing, heating, ventilation and photovoltaics. It plans, installs, maintains and repairs systems, and also provides services such as bathroom renovations and heating-system upgrades.
Wittwer Haustechnik AG
Since 1998 · 11–20 empl.4.1(13)
Wittwer Haustechnik AG plans and installs plumbing, heating and ventilation systems, as well as photovoltaic and solar thermal solutions. Its services include installation, repairs, maintenance and advice for new buildings and renovation projects.
Rymann & Widmer AG
Since 1999 · 1–10 empl.5.0(8)
Rymann & Widmer AG plans and installs heating, ventilation and plumbing systems. Its services also include maintenance, system checks, energy-efficiency advice and repairs.
Schneider GmbH Heizung Sanitär Lüftung
Since 2001 · 1–10 empl.5.0(14)
Schneider GmbH Heizung Sanitär Lüftung plans, installs and maintains heating, plumbing and ventilation systems. Its services also include consultations, renovations, maintenance and repairs.
ALPINOX GmbH
Since 2020 · 1–10 empl.5.0(14)
ALPINOX GmbH plans, installs and maintains refrigeration and air-conditioning systems for residential and commercial applications. Its services include consultations and repairs, as well as custom refrigeration solutions such as cold rooms.
R. Häsler AG
Since 2011 · 101–500 empl.4.1(7)
R. Häsler AG plans, installs and maintains heating, ventilation and air-conditioning systems. It also carries out system renovations and provides renewable energy solutions, including photovoltaics and solar thermal systems.
Ricklin AG, Sanitär - Heizung - Lüftung
Since 1988 · 21–50 empl.3.8(34)
Ricklin AG, Sanitär - Heizung - Lüftung plans and installs plumbing, heating and ventilation systems for residential and industrial buildings. Its services also include repairs, maintenance, boiler descaling, and the sale and installation of household appliances.
Wynatec Gebäudetechnik GmbH
Since 2023 · 1–10 empl.5.0(24)
Wynatec Gebäudetechnik GmbH plans and installs heating, plumbing and ventilation systems. Its services also include consulting, maintenance, repairs and servicing for building technology.
Ruedi Fischer AG
Since 2001 · 1–10 empl.4.5(13)
Ruedi Fischer AG is a building services company specialising in plumbing, ventilation, heating and air conditioning. Its services include planning, installation, maintenance and repair of plumbing and heating systems, as well as bathroom renovations and air-conditioning and refrigeration installations.
Ing. Hochuli AG
Since 2004 · 11–20 empl.4.9(8)
Ing. Hochuli AG plans, installs and maintains building systems for plumbing, heating, ventilation, air conditioning and cooling. Its services also include alternative energy systems such as heat pumps, solar installations and heat recovery.
Air conditioning in the Canton of Aargau
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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