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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsBurgisteinKRAMER LÜFTUNGEN
KRAMER LÜFTUNGEN Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Kramer-Lüftungen is the planning, installation and maintenance of ventilation systems. The company offers a 24/7 emergency service, which suggests that it also provides emergency and repair services.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered4
Ventilation systems
Ventilation systems for homes, commercial and industrial premises, bathroom and kitchen extract, air-conditioning systems, air heating systems; including planning, quotation preparation, installation, maintenance and repair.
Heat recovery
Heat recovery as a service offering in the field of ventilation technology, combined with planning, installation, maintenance and repair of building services systems.
Boiler descaling
Boiler descaling without chemicals, as an additional service in the environment of building services systems and ventilation systems.
Service and repair for ventilation systems
Service and repair for all ventilation systems, including maintenance, repair and upkeep of building services systems.
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4.1/5

KRAMER LÜFTUNGEN

Trust & reputation

ranQ Trust Score of KRAMER LÜFTUNGEN: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

KRAMER LÜFTUNGEN has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
KRAMER LÜFTUNGEN scores 78.5 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%
KRAMER LÜFTUNGEN scores 83.3 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).83.322%
KRAMER LÜFTUNGEN scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KRAMER LÜFTUNGEN reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Weidligraben 159A
3664 Burgistein
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-113.327.304
Founded
2006 · 20 years
Last commercial register change
August 12, 2019
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.
67.0
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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