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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkRupperswilDreiecktechnik AG
Dreiecktechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Dreiecktechnik AG is the development, planning, execution and commissioning of ventilation systems for various areas such as industry, office, schools and residential construction. This also includes the manufacture and distribution of ventilation devices, insertion systems, ventilation ducts, KWL boxes and silencers, as well as the provision of services such as consulting, emergency services and spare parts delivery. Additionally, the company also offers sheet metal processing services.

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Products & services

Industry:Sheet Metal WorkMechanical Engineering Industry
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3.9/5

Dreiecktechnik AG

✓ Offered12
Ventilation units
Ventilation units for controlled room ventilation in homes, classrooms, offices and commercial areas; central and decentralised, with heat recovery, moisture recovery and demand-based configuration.
Insertion system / air distribution system
Distribution and insertion systems for controlled home ventilation; universal air distribution system with round or oval ducts, design cover grilles and low installation effort.
Ventilation ducts
Ventilation ducts and air lines for controlled room ventilation; various materials and configurations, suitable for new builds, renovations and different air flow rates.
Oval duct / oval system
Oval ducts and fittings for ventilation systems; flat design for space-saving installation, with push-fit connections, various materials and special shapes according to specifications.
KWL boxes
KWL boxes for controlled room ventilation with constant or variable volume flows, sound attenuation, Belimo drives and surface-mounted or recessed installation.
Ventilation silencers
Duct and bypass silencers for ventilation systems; to reduce fan and flow noise and to prevent sound transmission between rooms.
Sheet metal processing
Sheet metal processing for small and large batches; production of sheet metal parts using laser, punching and bending systems as well as powder coating in RAL or NCS colours.
Consulting
Consulting for classroom ventilation, comfort ventilation, oval ducts and large open-office ventilation; needs assessment, technical advice, tender specifications, CAD/BIM files and concept plans.
Planning
Planning for classroom ventilation, comfort ventilation, oval ducts and large open-office ventilation; needs assessment, concept plans, tender specifications, CAD/BIM files and template/sample creation.
Development
Development of ventilation solutions for schools, residential construction, oval ducts and large open offices; needs assessment, design tailored to requirements, prototypes and performance measurements.
Execution
Execution of ventilation solutions for classrooms, comfort ventilation, oval ducts and large open offices; warehousing, timely delivery schedules and training of installation teams.
Commissioning
Commissioning of ventilation systems including acceptance report, maintenance training, user training and maintenance documentation for tenants, owners and service technicians.
Trust & reputation

ranQ Trust Score of Dreiecktechnik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Dreiecktechnik AG scores 54.8 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.69.624%
  • 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.35.310%
  • 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%
Dreiecktechnik AG scores 83.5 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.95.212%
  • 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%
Dreiecktechnik AG scores 85.0 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).85.022%
Dreiecktechnik 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

Dreiecktechnik AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 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
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schützenstrasse 17
5102 Rupperswil
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-283.780.833
Founded
2013 · 13 years
Last commercial register change
December 6, 2013
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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