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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,924 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesChurWilli Holding AG
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Verified· 3 sources

Willi Holding AG

Summary

About the company

Willi Gebäudetechnik AG is a major company in the field of building technology, specializing in the planning, execution, and maintenance of heating, cooling, ventilation, and sanitary systems. The core activities include the installation, maintenance, and repair of: heating systems (gas heating, oil heating, bivalent heating), ventilation and air conditioning systems, and sanitary systems (bathroom renovations, boiler maintenance). The company also offers services such as customer service, boiler maintenance, and bathroom calculators.

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Products & services

Industry:Plumbing & Building Services
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Heating and cooling technology
Heating renovations, new installations, solar thermal systems, wood heating systems, heat pumps, heat-pump boilers, district heating connections, bivalent heating, gas and oil heating, and refrigeration systems.
Ventilation and air-conditioning technology
Comfort ventilation, kitchen and bathroom extraction, heat recovery systems, catering installations, plus planning, installation, repairs, maintenance, and 24-hour on-call service.
Plumbing and sanitary engineering
Bathroom conversions, kitchen conversions, swimming pools, wellness facilities, water and wastewater installations, gas installations, compressed-air systems, leak warning systems, water treatment, and boiler services.
Building services planning
Energy consulting, energy concepts, energy accounting, planning of building services systems, electrical systems and building automation, plus district heating, water supply, wastewater disposal, and gas supply.
HVAC and electrical service
24-hour on-call service, repairs and maintenance, service contracts and maintenance for HVAC and electrical systems; boiler servicing, lighting upgrades, electrical renovations, and charging stations.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
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PProvenExpertSoon

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Location

Industriestrasse 17
7000 Chur
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:30
Tue
07:15 - 12:00, 13:00 - 17:30
Wed
07:15 - 12:00, 13:00 - 17:30
Thu
07:15 - 12:00, 13:00 - 17:30
Fri
07:15 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.407.495
Founded
2001 · 25 years
Last commercial register change
September 2, 2024
Employees
21 to 50

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