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

About the company

Thermo SA provides heating, sanitary, ventilation and air-conditioning services, offering design, installation, maintenance, emergency repairs and after-sales service for residential and commercial clients. Its scope includes technical studies and computer-aided drawings (DAO/CAD) and the installation and upkeep of heat pumps, boilers and solar thermal systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Heating
Supply, installation and maintenance of air-to-water heat pumps and geothermal systems, gas boilers, oil boilers, pellet boilers and thermal solar installations.
Sanitary installations
Installation of complete bathrooms, vanity units and washbasins, bathtubs, showers, fittings and fixtures, toilets, bidets, water and gas supply, drainage systems, sump pits and connection to the municipal networks.
Ventilation
Single-flow domestic ventilation, double-flow ventilation, air handling units, duct cleaning, routine maintenance and replacement of filters.
Air conditioning
Comfort air conditioning for private customers, HFO systems for industry and rental of mobile air-conditioning systems.
Technical studies and plans
Sizing of networks, thermal study, flow calculations, distribution diagrams, equipment layout, HVAC plans and refrigeration schematics.
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4.0/5

Thermo SA

Trust & reputation

ranQ Trust Score of Thermo SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Thermo 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%
Thermo SA scores 69.1 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.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.82.07%
Thermo 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%
Thermo SA scores 13.7 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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thermo SA reaches a ranQ Trust Score of 4.0 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

Rue de Carouge 17
1205 Geneva
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-364.175.589
Founded
2022 · 4 years
Last commercial register change
April 8, 2022
Employees
21 to 50
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.
76.0
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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