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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBaarKelvin AG
Kelvin AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kelvin AG provides planning, sales, installation and maintenance of refrigeration, air-conditioning and heat pump systems, including commercial refrigeration, climate control and temperature/test cabinets. Services include repairs, service calls and customized solutions; the company supplies NIBE heat pumps and air-conditioning equipment from Daikin and Mitsubishi.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered5
Commercial refrigeration
Commercial refrigeration systems and cold rooms for bakeries, butcher shops, flower dealers, restaurants and hospitals; from refrigerators to cold storage rooms, including cooling furniture and maintenance.
Air conditioning and dehumidification
Air conditioning systems, custom-built and retrofit solutions, split and VRV systems, cooling equipment for room cooling, wine cooling and server rooms, as well as dehumidifiers and repair of refrigeration process dehumidifiers.
Heat pump sales and special solutions
Sales of heat pumps, consulting, planning, commissioning and warranty work; customer-specific heat pumps, special machines and combination solutions for heating, cooling, dehumidification and domestic hot water.
Heat pump repairs and service
Repairs, troubleshooting and service for heat pumps; work on controls and the refrigerant circuit, replacement of compressors and heat exchangers, operating optimization, planning and energy concepts.
Repairs of temperature and test cabinets
Repair of test and climate cabinets as well as deep-freeze cabinets, including leak detection, compressor replacement, refrigeration service, adjustments, conversions and sourcing spare parts.
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4.4/5

Kelvin AG

Trust & reputation

ranQ Trust Score of Kelvin AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Kelvin AG scores 82.4 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.78.924%
  • 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.80.810%
  • 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.95.08%
Kelvin AG 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%
Kelvin AG 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%
Kelvin AG scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kelvin AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 23 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
4.7
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle4.723
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rathausstrasse 7
6340 Baar
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.362.118
Founded
1977 · 49 years
Last commercial register change
August 17, 2020
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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