Building installation in
Hunzenschwil

HauserTschan Kälte Klima AG

Since 2003 · 11–20 empl.·4.8(61)

The core activity of HauserTschan Kälte Klima AG is the planning, installation, maintenance and repair of refrigeration and air conditioning systems, including air conditioning systems, cooling systems, refrigeration and deep-freeze cells as well as climate control devices, for private households, commerce and industry.

Real Zäune AG

Since 1986 · 1–10 empl.·4.1(51)

Real Zäune AG is a fence construction company that supplies and installs fences, privacy screens and related accessories. Its product range includes wooden and metal garden fences, livestock and electric fences, industrial and sports (ball‑catch) fences, and the company provides installation, pile‑driving and repair services plus an online shop and direct sales.

Böss Kälte Klima GmbH

Since 2010 · 1–10 empl.·5.0(15)

The core activity of Böss Kälte Klima GmbH is the planning, installation and maintenance of air conditioning systems as well as the provision of air purifiers. The company offers solutions for various fields of application, including data centers, offices, retail spaces, office containers, bedrooms and wine cellars, with a cooling capacity of 2 kW to 90 kW.

Weber Ofenbau AG

Since 1987 · 1–10 empl.·4.1(8)

Weber Ofenbau AG plans, installs, renovates and repairs stoves and fireplaces. The company also lays wall and floor tiles for indoor and outdoor spaces, and provides advice, project planning, maintenance and repairs for existing tile surfaces.

ESTA Swiss AG

Since 2014 · 1–10 empl.·2.3(3)

ESTA Swiss AG offers products for heating and ventilation systems, including stratified storage tanks, roof and apartment ventilation boxes, and spiral finned tubes. Its apartment ventilation boxes distribute centrally conditioned air within dwellings, while the finned tubes are used as radiators.

Aperio AG

Since 2025 · 1–10 empl.