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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWinkelAB Haustechnik GmbH
AB Haustechnik GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

AB HAUSTECHNIK GmbH designs, installs and services heating, ventilation and air‑conditioning systems as well as other building services. The company provides energy‑efficient and sustainable solutions including rainwater utilisation and smart home integration, and offers consulting and maintenance from planning through implementation.

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Offering

Products & services

Industry:Plumbing & Building Services
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3.7/5

AB Haustechnik GmbH

✓ Offered4
Building services solutions
Efficient building services solutions for residential, office and industrial premises; planning and installation of systems for comfort, energy efficiency and sustainable indoor climate.
Climate control
Climate solutions for a healthy indoor climate with higher comfort and maximum efficiency; for residential premises, offices and industrial applications.
Heating & energy
Heating systems for new builds and renovations focusing on warmth, sustainability and cost efficiency; tailored to modern building services.
Rainwater harvesting
Use of rainwater for irrigation and sanitary facilities to reduce water consumption.
Trust & reputation

ranQ Trust Score of AB Haustechnik GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

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Data basis 54% · As of October 2026

AB Haustechnik GmbH 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%
AB Haustechnik GmbH scores 50.8 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.25.012%
  • 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%
AB Haustechnik GmbH 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%
AB Haustechnik GmbH scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AB Haustechnik GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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

Lufingerstrasse 27
8185 Winkel

At a glance

Legal form
Limited Liability Company
UID
CHE-260.221.215
Founded
2025 · 1 year
Last commercial register change
July 20, 2026
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.
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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