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DirectoryCrafts & TradesPlumbing & Building ServicesRafzHans Dünki GmbH
Hans Dünki GmbH Logo
Verified· 3 sources

Hans Dünki GmbH

Summary

About the company

Hans Dünki GmbH provides planning, installation and maintenance of heating, sanitary/plumbing, ventilation and solar/photovoltaic systems, and offers engineering, service and repair work.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered8
Heating
Heating installations and repairs for heat pumps, oil and wood heating systems, pellet and storage heaters, district heating as well as underfloor heating and radiators.
Plumbing
Plumbing installations for new builds and conversions, bathroom renovations and kitchens, replacement of washing appliances, water softening and rainwater harvesting systems, as well as maintenance work.
Engineering
Planning, consulting and execution of plumbing, heating and ventilation systems, including solar and photovoltaic installations, new builds, conversions and renovations.
Service / Maintenance
Maintenance contracts, repairs and upkeep for heating, plumbing and ventilation systems, boiler descaling, filter replacement, cleaning of blocked drains and other service work.
Renewable Energy
Planning and installation of thermal solar systems and photovoltaic systems, interface consulting for heating refurbishments, and cleaning of existing PV systems via partners.
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Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 39 reviews across all connected sources

Sources
GGoogle4.839
★TrustpilotSoon
PProvenExpertSoon

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Location

Gewerbestrasse 10
8197 Rafz
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-242.683.894
Founded
2019 · 7 years
Last commercial register change
April 14, 2026
Employees
21 to 50

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