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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSt. Margrethen SgWWS Wärme- Wassertechnik AG
WWS Wärme- Wassertechnik AG Logo
Verified· 3 sources

WWS Wärme- Wassertechnik AG

Summary

About the company

The core activity of WWS Wärme- Wassertechnik AG encompasses the planning, execution and maintenance of projects in the areas of heating, sanitation, heat and water technology, including new construction, renovation, service work, repairs, industrial and public buildings as well as pipeline construction. The company offers comprehensive solutions based on the latest technology and focuses on cost-effective, environmentally friendly and alternative heating systems such as heat pumps and solar systems.

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Products & services

Industry:Plumbing & Building Services
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Heating installations
Heating installations for new builds, renovations and large housing developments, including repair and service work, full refurbishments, and heat pump, solar, wood and condensing boiler technology.
Plumbing installations
Plumbing installations for new builds and renovations, repairs and service work, bathroom refurbishments, complete plumbing systems, as well as solutions for water and wastewater systems.
Pipelines construction
Pipelines construction for supply and disposal lines, load-resistant and functional pipework systems for municipal utilities and industrial facilities.
Service and repair work
Service and repair work for heating and plumbing installations, troubleshooting of technical faults, maintenance, and emergency service outside business hours.
Design and execution of building services projects
Conceptualisation, design and execution of demanding projects in the fields of heating and plumbing, from the idea through to implementation.
Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.921
★TrustpilotSoon
PProvenExpertSoon

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Location

Hauptstrasse 133
9430 St. Margrethen Sg
Opening hours
Mon
06:45 - 12:00, 13:00 - 17:00
Tue
06:45 - 12:00, 13:00 - 17:00
Wed
06:45 - 12:00, 13:00 - 17:00
Thu
06:45 - 12:00, 13:00 - 17:00
Fri
06:45 - 12:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.886.151
Founded
1978 · 48 years
Last commercial register change
February 12, 2026
Employees
11 to 20

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