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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringLangenthalHäusler Ingenieure AG
Häusler Ingenieure AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Häusler Ingenieure is the planning and consulting of building technical systems, particularly in the areas of heating, ventilation, air conditioning, refrigeration and sanitation. They offer services such as building services planning, energy concepts, energy consulting, photovoltaic systems and BIM planning to support customers in optimizing energy efficiency and costs.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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Häusler Ingenieure AG

✓ Offered
9
Building services planning
Advisory services, concept development and planning for building services installations for heating, ventilation, air conditioning, refrigeration and sanitary systems.
Energy consulting
Neutral, independent advice on energy efficiency, energy costs, renewable energies and funding options for buildings, owners, administrators, companies and tenants.
GEAK and GEAK Plus
Energy assessment of residential buildings with GEAK, and an extended advisory report including measures, renovation options, investment estimates and funding calculations.
Energy concepts
Tailor-made concepts for energy-optimised systems in new builds and existing building stock, including cost comparisons, analyses and optimisation proposals.
BIM planning
Planning using Building Information Modeling based on a digital 3D building model, including modelling depth according to the Swiss BIM LOIN definition.
Specialist coordination
Technical and spatial coordination of building services installations across all planning phases, using coordination plans instead of individual plans.
Water fire-extinguishing systems
Planning and implementation of fire protection concepts for water fire-extinguishing systems, from project submission through project planning to acceptance.
Photovoltaic systems
Consulting, suitability assessment, site analysis, financial viability and yield analysis, as well as planning and tendering of photovoltaic systems.
Impulse advice: heating with renewables
Advice on renewable heating systems for buildings and multi-family houses, with information on funding and possible heating solutions.
Trust & reputation

ranQ Trust Score of Häusler Ingenieure AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Häusler Ingenieure AG scores 74.7 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.79.424%
  • 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.52.910%
  • 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.88.08%
Häusler Ingenieure AG scores 92.3 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.82.07%
Häusler Ingenieure 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%
Häusler Ingenieure AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Häusler Ingenieure AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Bleichestrasse 9
4900 Langenthal
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.300.206
Founded
1992 · 34 years
Last commercial register change
May 6, 2026
Employees
21 to 50
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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