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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsWinkelDoufas Kältetechnik Schweiz AG
Doufas Kältetechnik Schweiz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Doufas Kältetechnik Schweiz AG is the planning, execution, maintenance and servicing of refrigeration, air conditioning and heating systems, including heat pumps and special systems, for various industries such as food processing, logistics, butchery, bakery, hotel, culture, packaging and office.

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Products & services

Industry:Specialized Construction Installations
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Doufas Kältetechnik Schweiz AG

Refrigeration systems
Planning, construction and maintenance of industrial and commercial refrigeration systems, from direct and indirect cooling via ammonia, CO2, propane and HFO systems to chiller units and special installations.
Climate & ventilation engineering
Planning, construction and maintenance of climate and ventilation systems for various sectors, including office air-conditioning, VRV and multi-split systems, ripening rooms as well as ducted and forced ventilation systems.
Heat pumps
Construction and installation of heat pumps for various sectors, from geothermal and air-to-water heat pumps to industrial heat pumps, including peripheral equipment, underfloor heating and district heating.
Planning & consulting
Technical consulting, project design and engineering planning of systems with a focus on energy efficiency, cost optimisation and safety.
Execution
Assembly and implementation of technical drawings and plans, including installation, piping and sewer network construction under varying conditions.
Maintenance & on-call duty
Service and maintenance of systems as well as 24/7 on-call duty for faults, so that systems can be operated without interruption and long term.
Special-purpose systems
Construction of special-purpose systems for environmental protection and energy efficiency, including ORC cycles for utilising waste heat and projects at the interface of refrigeration, ventilation and heating technology.
Trust & reputation

ranQ Trust Score of Doufas Kältetechnik Schweiz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Doufas Kältetechnik Schweiz AG scores 68.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.82.524%
  • 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.61.010%
  • 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%
Doufas Kältetechnik Schweiz AG scores 89.3 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.70.07%
Doufas Kältetechnik Schweiz AG 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%
Doufas Kältetechnik Schweiz AG scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Doufas Kältetechnik Schweiz AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 10 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
5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schwärzen 31
8185 Winkel

At a glance

Legal form
Corporation
UID
CHE-105.168.340
Founded
1999 · 27 years
Last commercial register change
February 24, 2021
Employees
11 to 20
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.100.06%
  • 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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