Specialized Construction Installations in
Hunzenschwil

HauserTschan Kälte Klima AG

Since 2003 · 11–20 empl.·4.8(57)

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)

The core activity of Weber Ofenbau is the manufacture and sale of ovens, fireplaces and tile installations, as well as the renovation and conversion of living spaces. The company combines traditional craftsmanship with modern heating technology to provide customer-specific solutions for warmth and living comfort.

ESTA Swiss AG

Since 2014 · 1–10 empl.·2.3(3)

The company ESTA Swiss AG specializes in the development, manufacture and distribution of ventilation and heat exchanger systems for use in buildings. The core activities include the production of: layered storage systems for heat and cold storage, roof ventilation boxes for building ventilation, apartment ventilation boxes for apartment ventilation, and spiral ribbed tubes for heat transfer and transmission. The company also offers individual solutions for special installation situations and applications, such as facade heating, high-bay warehouses, greenhouses and glass domes.

Aperio AG

Since 2025 · 1–10 empl.