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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGrand-LancyThermex SA, succursale de Lancy
Thermex SA, succursale de Lancy Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Thermex SA, succursale de Lancy provides installation, maintenance and repair services for heating, ventilation and air‑conditioning systems and implements renewable energy solutions such as heat pumps and solar thermal systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Heating, Ventilation and Air Conditioning
Design, planning and installation of heating, ventilation and air-conditioning systems, with quotations, sizing, plans, installation and commissioning.
Renewable energy sources
Heat pumps, solar thermal, solid-fuel systems, energy recovery, geocooling, Minergie implementation, controlled ventilation and dual-flow ventilation.
Technical office
Studies, calculations, sizing, plans and diagrams, BIM and Autocad modelling, site coordination, requests for quotations and preparation of installation dossiers.
Maintenance contract
Annual maintenance of heating, solar, ventilation and air-conditioning systems, with inspections, cleaning, purging, adjustments and replacement of components.
Breakdown service
On-call service 365 days a year for troubleshooting, repairs and interventions on HVAC installations.
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4.1/5

Thermex SA, succursale de Lancy

Trust & reputation

ranQ Trust Score of Thermex SA, succursale de Lancy: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Thermex SA, succursale de Lancy scores 61.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.70.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.63.210%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Thermex SA, succursale de Lancy scores 89.1 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.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.90.07%
Thermex SA, succursale de Lancy 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%
Thermex SA, succursale de Lancy 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

Thermex SA, succursale de Lancy reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 11 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.511
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Route des Jeunes 59
1212 Grand-Lancy
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-280.056.238
Founded
2010 · 16 years
Last commercial register change
August 19, 2025
Employees
51 to 100
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.76.06%
  • 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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