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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsWittenbachHengartner + Partner Luft- und Klimatechnik AG
Hengartner + Partner Luft- und Klimatechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hengartner + Partner Luft- und Klimatechnik AG is the planning, execution, installation, maintenance and servicing of ventilation and air conditioning systems for various types of buildings, including industrial and commercial buildings, office and administrative buildings, residential buildings and recreational facilities, as well as specialized systems for clean rooms in the pharmaceutical industry, food industry and manufacturing industry.

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Products & services

Industry:Specialized Construction Installations
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Hengartner + Partner Luft- und Klimatechnik AG

✓ Offered5
Consulting and planning for ventilation and air-conditioning
Consulting, planning and concept development for indoor air technology, ventilation systems and air-conditioning systems in industrial, commercial, office, residential and hospital buildings.
Execution and installation of ventilation systems
Execution and installation of mechanical supply and extract ventilation systems, partial and full air-conditioning systems for new builds, renovations and refurbishments.
Execution and installation of air-conditioning systems
Execution and installation of air-conditioning systems and conditioned indoor air systems for production, laboratory, hospital and other buildings with high requirements.
Maintenance and servicing of ventilation and air-conditioning systems
Maintenance, servicing and technical support for indoor air, ventilation and air-conditioning systems to ensure smooth, trouble-free operation.
Energy optimisation and energy recovery in indoor air technology
Use of new energy concepts and installation of energy recovery systems to minimise energy consumption for ventilation and air-conditioning systems.
Trust & reputation

ranQ Trust Score of Hengartner + Partner Luft- und Klimatechnik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Hengartner + Partner Luft- und Klimatechnik AG scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
Hengartner + Partner Luft- und Klimatechnik AG scores 89.3 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.70.07%
Hengartner + Partner Luft- und Klimatechnik AG scores 85.0 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).85.022%
Hengartner + Partner Luft- und Klimatechnik AG scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hengartner + Partner Luft- und Klimatechnik AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Romanshornerstrasse 10
9300 Wittenbach

At a glance

Legal form
Corporation
UID
CHE-113.961.004
Founded
2007 · 19 years
Last commercial register change
July 16, 2019
Employees
11 to 20
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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