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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesAppenzell SteineggInauen Heizung-Sanitär AG
Inauen Heizung-Sanitär AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company offers a wide range of services in the field of building technology. The core activities include: * Sanitary installations (kitchen and bathroom) for new buildings, renovations and repairs * Heating technology (heat pumps, oil, gas and wood heating systems) for new buildings, renovations and repairs * Ventilation technology (controlled residential ventilation) * Water treatment (boiler descaling, water softening systems, rainwater harvesting) * Core drilling for pipes The company thus offers a comprehensive range of services for building technology, from planning to execution and maintenance.

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Offering

Products & services

Industry:Plumbing & Building Services
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Inauen Heizung-Sanitär AG

✓ Offered4
Heating installations
Heat pumps, oil, gas and wood heating systems for new builds, conversions and renovations; underfloor heating, radiators, repairs to heating boilers and emergency service.
Plumbing installations
Complete plumbing installations for bathrooms and kitchens in new builds and conversions; repairs, boiler descaling, water softening systems, kitchen and bathroom connections, and rainwater use.
Controlled apartment ventilation
Controlled apartment ventilation with filtered air and adjustable room temperature; ventilation solutions for energy-efficient homes without manual window opening.
Core drilling
Core drilling for pipes through concrete and other structural elements, to run installations at the desired locations.
Trust & reputation

ranQ Trust Score of Inauen Heizung-Sanitär 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.

Inauen Heizung-Sanitär 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%
Inauen Heizung-Sanitär AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Inauen Heizung-Sanitär AG scores 85.0 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).85.022%
Inauen Heizung-Sanitär AG scores 6.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Inauen Heizung-Sanitär 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

Stompes 1
9050 Appenzell Steinegg

At a glance

Legal form
Corporation
UID
CHE-107.137.209
Founded
1978 · 48 years
Last commercial register change
May 5, 2022
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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