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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,769 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesKreuzlingenZahn + Co. AG
Zahn + Co. AG Logo
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Zahn + Co. AG

Summary

About the company

Zahn + Co. AG delivers building services engineering, providing planning, installation, maintenance and refurbishment of heating, cooling, ventilation and sanitary systems. Services include heating/cooling, ventilation/air conditioning, sanitary installations, industrial systems and technical service.

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Offering

Products & services

Industry:Plumbing & Building Services
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Building Services Engineering
Building services engineering for new builds and refurbishments, from advice and planning to installation and delivery of heating, ventilation, air conditioning and sanitary systems.
Service and Maintenance
Service for building technology systems, including maintenance, heating service, heating checks, fault rectification and upkeep for ongoing operation.
Heating Renovation and Replacement
Heating renovation, heating replacement and modernization of existing systems, including system checks and planning of on-site implementation.
Heating and Cooling
Advice, planning and installation of heating and cooling systems for new builds and refurbishments, including solutions for different building types.
Ventilation and Air Conditioning
Advice, planning and installation of ventilation and air conditioning systems for commercial premises, apartments, service companies and institutions.
Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle4.323
★TrustpilotSoon
PProvenExpertSoon

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Location

Zelgstrasse 5
8280 Kreuzlingen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.727.051
Founded
1987 · 39 years
Last commercial register change
April 21, 2026
Employees
21 to 50

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