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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesBuilding installationBad RagazRaumluft GmbH
Raumluft GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Raumluft GmbH is the planning, execution, maintenance and hygiene of air conditioning and ventilation systems.

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Presence

Service area

Offering

Products & services

Industry:Building installation
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3.7/5

Raumluft GmbH

✓ Offered4
Design of ventilation and air-conditioning systems
Advisory and design of ventilation and air-conditioning systems in accordance with SIA 108, including strategic planning, preliminary studies, project engineering, tendering and implementation.
Installation of ventilation and air-conditioning systems
Professional installation of ventilation and air-conditioning systems for offices, cultural events and venues, sports and fitness, swimming pools and wellness centres, schools, laboratories and other buildings.
Service and maintenance of ventilation and air-conditioning systems
Maintenance of ventilation and air-conditioning systems for longer service life, energy savings, preservation of hygiene, parameterisation as required and preventive measures against damage.
Hygiene inspection and cleaning of ventilation and process ventilation systems
Hygiene inspection in accordance with SWKI VA 104-01 as well as professional cleaning of ventilation and air-conditioning systems and process ventilation systems.
Trust & reputation

ranQ Trust Score of Raumluft GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of November 2026

Raumluft GmbH scores 52.7 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.68.224%
  • 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.50.08%
Raumluft GmbH scores 65.0 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.58.012%
  • 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%
Raumluft GmbH scores 86.7 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).86.722%
Raumluft GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Raumluft GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★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 78
7310 Bad Ragaz
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
Limited Liability Company
UID
CHE-465.353.635
Founded
2022 · 4 years
Last commercial register change
October 13, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGBad Ragaz
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.
88.0
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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