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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRubigenIng. Hermann Pieren AG
Ing. Hermann Pieren AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Ing. Hermann Pieren AG is the representation and distribution of products for ventilation and heating, particularly fans, air conditioning units, heating systems, hot water boilers, heat storage systems and heating controls. The company also offers special solutions such as duct ventilation, pipe ventilation, box ventilation, door air curtains and smoke ventilation.

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Offering

Products & services

Industry:Plumbing & Building Services
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Ing. Hermann Pieren AG

✓ Offered
4
Ventilation technology
Axial fans, radial fans, roof ventilation, duct and pipe ventilation, box ventilation, door air curtains, fire gas ventilation, kitchen extract box units and bathroom fans.
Heating technology
Heating systems, air/water heat pumps, wood boilers, oil boilers, heating water controllers as well as heat storage tanks, hot water boilers, heating control, expansion vessels and bathroom radiators.
Service & replacement
Replacement of electronic heating and ventilation control units of all makes, replacement of controllers, wiring and on-site commissioning, replacement of fans and electric motors.
Aereco ventilation systems
Aereco ventilation systems as a dedicated product category with a reference to the Swiss Aereco website.
Trust & reputation

ranQ Trust Score of Ing. Hermann Pieren AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Ing. Hermann Pieren 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%
Ing. Hermann Pieren 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%
Ing. Hermann Pieren AG scores 81.7 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).81.722%
Ing. Hermann Pieren AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ing. Hermann Pieren 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

Hier entsteht die Karte
3113 Rubigen

At a glance

Legal form
Corporation
UID
CHE-107.882.827
Founded
1988 · 38 years
Last commercial register change
February 12, 2019
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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