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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsAppenzellUlmann Markus Feuerungen GmbH
Ulmann Markus Feuerungen GmbH Logo
Verified· 3 sources

Ulmann Markus Feuerungen GmbH

Summary

About the company

The core activity of Markus Ulmann Feuerungen GmbH is the planning, implementation and maintenance of heating systems, in particular oil, gas and heat pump heating systems, as well as the repair and servicing of heating installations. The company also offers the sale and installation of heat pumps and other heating components.

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Products & services

Industry:Specialized Construction Installations
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6
Heating systems
Consulting, planning and implementation of heating systems; new builds and conversions, repairs, maintenance and professional service for oil, gas and other heating installations.
Heat pumps
Sale and installation of heat pumps; various units, including air/water heat pumps, with consulting, planning and integration into existing or new systems.
Mobile heating units
Mobile heating units with 70 and 140 kW for drying subfloorings or as emergency heating for single-family and multi-family houses.
Retrofitting underfloor heating
Retrofitting of underfloor heating with milling-in technique; almost all rooms without removing the substrate floor, without drying time and with short time until the new floor covering.
Heating service and maintenance
Customer service for heating systems with rapid fault rectification, maintenance and care; installation, servicing and preparation of gas and oil boilers for the chimney sweep.
Firing systems
Complete firing systems from a single source; coordinated technology, selection of suitable systems and planning according to individual needs and heating-related requirements.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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Location

Rinkenbach 46
9050 Appenzell
Opening hours
Mon
07:30 - 12:00, 13:30 - 18:00
Tue
07:30 - 12:00, 13:30 - 18:00
Wed
07:30 - 12:00, 13:30 - 18:00
Thu
07:30 - 12:00, 13:30 - 18:00
Fri
07:30 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-104.999.367
Founded
1999 · 27 years
Last commercial register change
February 10, 2026
Employees
1 to 10

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