Specialized Construction Installations in
Widnau

Helvetherm GmbH

Since 2013 · 1–10 empl.·4.9(8)

Helvetherm GmbH sells and installs heat pump systems, with a focus on Panasonic Aquarea models, and supplies related hot-water and buffer storage solutions. The company provides consulting, turnkey installation and refrigeration work, support for permit and subsidy applications, and arranges FWS certification after installation.

Euroda GmbH

Since 2001 · 21–50 empl.

The company Euroda is engaged in the development, manufacture and distribution of fire protection and facade solutions, including daylight systems, smoke extraction systems, building envelopes, controls and drives. They also offer services such as maintenance, consulting and planning, and develop individual solutions for special requirements in the field of fire protection and facade technology.

topairsystems - topal

Since 2012 · 1–10 empl.

The core activity of Topal-Lüftung is the production and trade of high-quality ventilation components, including round and angular ventilation parts, fans and ventilation devices.

GLASTECH Fire GmbH

Since 2008 · 11–20 empl.

The core activity of Glastech Fire GmbH is the distribution and installation of high-quality fire-resistant glass, particularly the Hero-Fire brand, in Switzerland. The company offers innovative solutions for fire protection in modern architecture and designs solutions that meet the highest fire safety standards.

Girardet Fritz

Since 1988 · 1–10 empl.

RFM Swiss GmbH

Since 2012 · 1–10 empl.

primaklima E. Poletti

Since 2015 · 1–10 empl.

Eugster Holzwurm Montagen GmbH

Since 2026 · 1–10 empl.