Air conditioning
in Switzerland

HT Haustechnik AG

Dübendorf · Since 2012 · 21–50 empl.·5.0(14)

HT Haustechnik AG is a building services company offering consulting, planning, installation and maintenance for sanitary, heating and ventilation systems. Services include renovations and new installations for bathrooms and kitchens, gas/water/sewage systems, water softening and a 24-hour emergency service.

wk-tec GmbH

Dällikon · Since 2015 · 1–10 empl.·5.0(16)

The core activity of the company wk-tec GmbH consists in the planning, installation, maintenance and repair of heating and cooling technology systems, including heat pumps, air conditioning systems and refrigerating machines, as well as the provision of services in the fields of heating, cooling and domestic hot water for various application areas, such as residential buildings, office buildings and industrial plants.

Jacques Bosshard, Heizungs- und Lüftungs AG

Zurich · 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.

wk-tec GmbH

Zug · Since 2026 · 1–10 empl.·5.0(16)

wk-tec GmbH provides heat and cooling technology solutions. The company plans, sells, installs and maintains heat pumps, air-conditioning systems and chillers, and also offers service, support and fault resolution.