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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesHeating installerDelémontThermosan SA
Thermosan SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Thermosan SA provides heating and plumbing services. Its activities include domestic and industrial plumbing installations, heat pumps, pellet heating systems, solar and photovoltaic installations, and controlled ventilation, as well as maintenance and repair services.

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Service area

Offering

Products & services

Industry:Heating installerPlumber
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4.1/5

Thermosan SA

✓ Offered6
Household sanitary installations
Sanitary installations for homes, including installation work and after-sales service for the installations.
Industrial sanitary installations
Sanitary installations for the industrial sector, including installation work and after-sales service for the installations.
Heat pumps
Installation of heat pumps, from project planning to commissioning of the system.
Solar and photovoltaic systems
Solar and photovoltaic installations, with project design, construction, and commissioning according to requirements.
Pellet heating
Installation of pellet boilers and pellet heating, listed as the main activity along with other heating systems.
24/7 breakdown service
Breakdown service available 24/7 for heating and sanitary installations.
Trust & reputation

ranQ Trust Score of Thermosan SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Thermosan SA 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.
x
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%
Thermosan SA scores 85.1 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.95.212%
  • 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%
Thermosan SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Thermosan SA scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thermosan SA 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 November 2026.

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

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Location

Route de la Communance 26
2800 Delémont

At a glance

Legal form
Corporation
UID
CHE-212.869.098
Founded
2013 · 13 years
Last commercial register change
July 5, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 2 municipalities

  • JUDelémont
  • JUMoutier
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.85.03%
    • Full methodology

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