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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsGrand-LancyCLIM DIFFUSION SA
CLIM DIFFUSION SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Clim Diffusion is the planning, installation and maintenance of air conditioning systems and heat pumps as well as other climate control solutions.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered6
Heat Pumps
Heating and cooling systems using air, water or the ground; certified heat pumps EHPA/GSP, with access to cantonal subsidies.
Air Conditioning
Air-conditioning solutions for bedrooms, conservatories, small buildings, large enterprises and industrial applications; wall-mounted, ducted, console, ceiling, cassette units and systems without an outdoor unit.
Refrigeration
Refrigeration solutions for small retail outlets and commercial warehouses; Daikin ranges with Inverter technology to reduce energy consumption.
Humidification
Steam humidifiers with resistive elements, electrode-based units and steam generators for hammam; solutions for controlling relative humidity and preserving food.
Wine Cellar Air Conditioning
Wine cellar air conditioners and split or monobloc systems to maintain wine storage conditions; ducted, ceiling-mounted and built-in models.
Hydraulic Pumps
High-efficiency hydraulic pumps with electronic control for heating, air conditioning, cooling and domestic hot water; circulation pumps for hot-water heating, ventilation and air conditioning.
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4.3/5

CLIM DIFFUSION SA

Trust & reputation

ranQ Trust Score of CLIM DIFFUSION SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

CLIM DIFFUSION SA scores 78.8 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.81.424%
  • 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.65.210%
  • 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.88.08%
CLIM DIFFUSION SA scores 85.5 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.55.07%
CLIM DIFFUSION 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%
CLIM DIFFUSION SA 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

CLIM DIFFUSION SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 12 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
4.9
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle4.912
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route des Jeunes 105
1212 Grand-Lancy
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.571.551
Founded
2002 · 24 years
Last commercial register change
June 16, 2025
Employees
1 to 10
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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