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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSpreitenbachViessmann Kältetechnik Schweiz AG
Viessmann Kältetechnik Schweiz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Viessmann Kältetechnik Schweiz AG provides energy and climate solutions for heating, cooling, ventilation and power generation. The company offers products and system solutions for residential buildings as well as for commercial and industrial applications, supported by service, consulting and digital tools.

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Products & services

Industry:Plumbing & Building Services
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Viessmann Kältetechnik Schweiz AG

7
Heat pumps
Heat pumps for heating and cooling, as a standalone unit, in a hybrid system or in combination with solar installations; for new builds and renovation.
Heating systems
Heating systems for residential buildings as well as for commercial and industrial use, with solutions based on gas, oil, ambient energy and biomass.
Customer service
Customer service with hotline, troubleshooting, repairs, commissioning, individual maintenance and service contracts for Viessmann systems.
Large boilers and industrial systems
Large boilers, steam and hot-water systems as well as heat-pump solutions for industry and commercial use, including planning, commissioning and maintenance service.
Control engineering
Control engineering for medium and large boilers as well as digital controls and energy management for heating and energy systems.
Ventilation systems
Ventilation systems for a comfortable indoor climate, with solutions for residential buildings and intelligent system integration.
Domestic hot water systems
Potable water and domestic hot-water systems as well as water heaters for combination with heating systems and solar thermal.
Trust & reputation

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

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Viessmann Kältetechnik Schweiz AG scores 66.2 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.40.824%
  • 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.100.010%
  • 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.100.08%
Viessmann Kältetechnik Schweiz AG scores 77.1 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.64.612%
  • 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%
Viessmann 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.
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%
Viessmann Kältetechnik Schweiz AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Viessmann Kältetechnik Schweiz AG 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 287 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 287 reviews across all connected sources

Sources
GGoogle3.8287
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Industriestrasse 124
8957 Spreitenbach
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-325.967.641
Founded
2021 · 5 years
Last commercial register change
June 19, 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.100.06%
  • 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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