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

About the company

Eisenring AG Heizung Sanitär Jonschwil is a building services company supplying heating, ventilation and sanitary system installations and offering solar, planning and maintenance services. Its work includes installation and renovation of heating systems (including heat pumps and pellet/wood or gas systems), water softening, utility line construction and a 24‑hour emergency service.

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Products & services

Industry:Plumbing & Building Services
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Eisenring AG Heizung Sanitär Jonschwil

✓ Offered3
Heating
Heating systems for new builds, renovation and replacement; heat pumps, heat pump boilers, wood/pellet heating systems, gas heating systems and Minergie consulting.
Service
Service and maintenance work for water technology, heating, ventilation and air conditioning; boiler descaling, fault rectification, on-call emergency service (piket) and quick interventions with spare parts.
Ventilation
Ventilation systems and solutions for indoor climate, fresh air supply and thermal insulation; consulting for private, commercial and public installations.
Trust & reputation

ranQ Trust Score of Eisenring AG Heizung Sanitär Jonschwil: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Eisenring AG Heizung Sanitär Jonschwil 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%
Eisenring AG Heizung Sanitär Jonschwil scores 71.3 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.58.012%
  • 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.70.07%
Eisenring AG Heizung Sanitär Jonschwil 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%
Eisenring AG Heizung Sanitär Jonschwil scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eisenring AG Heizung Sanitär Jonschwil 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

Winkelstrasse 24
9243 Jonschwil

At a glance

Legal form
Corporation
UID
CHE-482.896.687
Founded
2022 · 4 years
Last commercial register change
June 10, 2022
Employees
11 to 20
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.100.06%
  • 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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