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

About the company

GD Climat SA provides building services engineering, offering planning, installation and maintenance of heating, ventilation, cooling/air‑conditioning systems, automation and industrial piping. Services include HVAC design and project studies (SIA), energy dossiers and audits, system optimisation, and maintenance contracts with after‑sales support for contracted systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered9
Planning of HVACS systems
Planning of heating, ventilation, air-conditioning and sanitary installations; engineering services according to SIA 108, energy documents, audits, sizing and optimisation of technical installations.
Installation of HVACS systems
Installation of heating, ventilation and cooling / air-conditioning systems; carried out by assembly teams while meeting deadlines and customer requirements.
Heating
Design and installation of heating systems: gas, oil and wood boilers, heat pumps, solar thermal, heat recovery, radiators, underfloor heating and active slab heating.
Ventilation systems
Design and installation of single- and double-flow ventilation systems, with heat recovery, as well as specific solutions for swimming pools, laboratories and cleanrooms.
Cooling / air conditioning
Design and installation of cooling and air-conditioning systems: chilled-water production, groundwater pumping, mono-split, multi-split, VRV, active slabs and radiant ceilings.
Automation
MCRG solutions for managing technical installations: concept and topology, functional analysis, electrical diagram, programming, HMI imaging, consumption tracking and remote access.
Maintenance
Preventive maintenance and service contracts for technical installations; definition of tasks and frequencies, after-sales service for installations under contract, 7/7 days and 24/24 hours.
Optimisation of technical installations
Energy audit, analysis of energy consumption and an optimisation plan to reduce energy costs and improve the efficiency of the installations.
Industrial piping
Design and installation of industrial piping: measurement, prefabrication and workshop welding, quality control, on-site installation, black steel, stainless steel, synthetic materials and technical gases.
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4.1/5

GD Climat SA

Trust & reputation

ranQ Trust Score of GD Climat SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

GD Climat SA scores 55.4 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.63.624%
  • 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.17.610%
  • 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%
GD Climat SA scores 97.5 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.90.07%
GD Climat 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%
GD Climat SA scores 14.0 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 35.14.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GD Climat SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 1 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
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle41
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route des Iles 40
1950 Sion
Opening hours
Mon
08:00 - 11:45, 13:15 - 17:30
Tue
08:00 - 11:45, 13:15 - 17:30
Wed
08:00 - 11:45, 13:15 - 17:30
Thu
08:00 - 11:45, 13:15 - 17:30
Fri
08:00 - 11:45, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.886.607
Founded
1982 · 44 years
Last commercial register change
January 21, 2026
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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