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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsMonte CarassoWilm-Air SA
Wilm-Air SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of WILM-AIR SA consists of planning, installing and maintaining systems for air conditioning, ventilation, heating, renewable energy, heat pumps and photovoltaic systems, as well as solar panels.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
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4.1/5

Wilm-Air SA

✓ Offered7
Climatization
Climatization systems for buildings, with installation and integration into the building’s technical systems.
Ventilation
Ventilation systems for residential and commercial spaces, with setup and connection to the building’s systems.
Maintenance of heating systems
Maintenance of heating systems for functional checks and to ensure continuous operation of thermal systems.
Renewable energy
Solutions for renewable energy, with thermal and photovoltaic systems for energy generation and use.
Heat pumps
Installation and integration of heat pumps for building heating and energy efficiency.
Photovoltaic systems
Photovoltaic systems for generating electricity from solar energy, with setup and technical connection.
Solar panels
Solar panels for installing thermal solar systems or energy systems on buildings.
Trust & reputation

ranQ Trust Score of Wilm-Air SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Wilm-Air SA 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.
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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%
Wilm-Air SA scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Wilm-Air SA scores 83.3 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).83.322%
Wilm-Air SA scores 100.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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

Wilm-Air SA 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.

Knowledge

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Location

Er Strada nòvo 30
6513 Monte Carasso

At a glance

Legal form
Corporation
UID
CHE-108.083.007
Founded
1985 · 41 years
Last commercial register change
June 9, 2023
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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