Heating installer in
Au SG
7 companies in Heating installer based in Au SG — name and year of registration from the commercial register. The list below shows them all.
All 7 companies in Au SG
Heeb AG Heizungsservice
Since 1979 · 1–10 empl.5.0(24)
Heeb AG Heizungsservice plans, installs and maintains heating, plumbing, climate-control and energy systems. Its services include heat pumps, conventional heating, solar thermal systems and photovoltaics, as well as advice, repairs and emergency service.
HWT Haus- und Wassertechnik AG
Since 1987 · 11–20 empl.
HWT Haus- und Wassertechnik AG plans and installs building-services systems, including plumbing, heating and ventilation, and carries out bathroom renovations and swimming-pool construction. Its activities also include pipeline and plastic tank construction, technical planning, maintenance and repairs.
BNL Haustechnik GmbH
Since 2019 · 1–10 empl.
BNL Haustechnik GmbH provides plumbing, heating, pipeline construction and building technology services. Its activities also include maintenance, renovations, consulting and planning.
ETA Installationstechnik GmbH
Since 2014 · 1–10 empl.5.0(2)
ETA Installationstechnik GmbH plans, installs and maintains building-services systems for plumbing, heating, ventilation and solar energy. Its services include consulting and installation planning for new builds and renovations, as well as maintenance and servicing.
NG Gebäudetechnik Nue Gashi
Since 2019 · 1–10 empl.2.7(3)
NG Gebäudetechnik Nue Gashi provides facility services in plumbing, heating, cleaning and core drilling.
GWT Gebäude- und Wassertechnik GmbH
Since 2015 · 1–10 empl.
GWT Gebäude- und Wassertechnik GmbH provides building services in plumbing and heating. Its work includes planning and installing plumbing systems, heating systems, heat pumps and solar installations, as well as round-the-clock emergency service.
EWT Haustechnik GmbH
Since 2022 · 1–10 empl.
Heating installer in Au SG
Heating installer in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
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