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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsWillisauStadelmann Feuerungen AG
Stadelmann Feuerungen AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Stadelmann Feuerungen AG is the installation, maintenance and repair of oil and gas firing systems as well as heating systems, including the associated controls and systems. This also includes consulting services for optimizing heating systems in economic and ecological terms.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered6
Oil and gas burner systems
Commissioning and maintenance of oil and gas burners of all brands, advice on the heating system, installation and repair of heating controls as well as oil lines and tanks.
Service and maintenance
Service subscriptions, regular maintenance, 24-hour on-call duty and emergency responses for heating and combustion systems.
Combustion inspections
Official combustion inspections in all market-open cantons.
Heating system consulting
Economic and ecological consulting for the heating system, including assessment of operation and optimization.
Emergency heating
Mobile 170 kW emergency heating for building drying and emergency call-outs.
Refrigerant tests on heat pumps
Refrigerant tests on heat pumps.
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4.1/5

Stadelmann Feuerungen AG

Trust & reputation

ranQ Trust Score of Stadelmann Feuerungen AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Stadelmann Feuerungen AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Stadelmann Feuerungen AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Stadelmann Feuerungen AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Stadelmann Feuerungen AG scores 0.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stadelmann Feuerungen AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Steinmatt
6130 Willisau

At a glance

Legal form
Corporation
UID
CHE-112.379.712
Founded
2005 · 21 years
Last commercial register change
August 5, 2026
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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