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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGenevaChauffage-Assistance SA
Chauffage-Assistance SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Chauffage Assistance SA is the planning, implementation, maintenance and optimization of heating systems and renewable energy systems, particularly in the areas of: heating technology, renewable energy (e.g. heat pumps), energy optimization, repair and maintenance of heating systems, monitoring and control of heating systems, and renovation and modernization of heating systems. The company offers its services throughout the French-speaking Switzerland.

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Products & services

Industry:Plumbing & Building ServicesSolar & Photovoltaics
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4.1/5

Chauffage-Assistance SA

✓ Offered8
Troubleshooting & maintenance contract
Troubleshooting and maintenance contract for thermal installations, with intervention in case of breakdowns and regular monitoring of equipment.
Maintenance, sanitation works & distribution
Maintenance, sanitation works and distribution for thermal installations, including technical servicing of existing systems.
Work on new installations
Work on new installations, with project support, technical studies, sizing, design and heat distribution.
Installation of heat pumps
Installation of heat pumps (HP) as part of new projects and thermal and renewable solutions.
Monitoring of thermal installations
Monitoring of thermal installations to ensure control and follow-up of heating equipment.
Renovations of thermal installations
Renovations of thermal installations, with upgrading and adaptation of existing heating systems.
Energy optimization
Energy optimization of technical installations, with improved energy performance, economic efficiency and environmental impact.
Renewable energies
Solutions in renewable energies for heating, in particular solar thermal installations, geothermal energy and associated systems.
Trust & reputation

ranQ Trust Score of Chauffage-Assistance SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Chauffage-Assistance SA scores 60.5 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.49.324%
  • 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.73.510%
  • 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.78.08%
Chauffage-Assistance SA scores 92.3 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.82.07%
Chauffage-Assistance 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%
Chauffage-Assistance SA scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Chauffage-Assistance SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 17 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
3.8
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle3.817
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rue du Dauphiné 16
1203 Geneva
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.743.137
Founded
1972 · 54 years
Last commercial register change
April 7, 2026
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.
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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