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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringHünenbergH5 Haustechnik AG
H5 Haustechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of H5 Haustechnik AG is the planning, conception and overall coordination of building technology, including heating, ventilation, cooling/climate, sanitation, energy and fire protection. The company offers consulting, planning, tendering and supervision of building technology projects and strives for innovative overall solutions with the best efficiency and cost-benefit ratio.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered7
Building services engineering design
Conception, planning and overall coordination of building services for new builds, renovations and complex facilities; from consulting and concept studies through tendering to execution and commissioning.
Heating system planning
Concept studies, system comparisons and planning of heating systems; heat pumps, wood heating, district heating, solar thermal, CHP units, oil and gas burners, and heat distribution systems.
Ventilation planning
Planning and execution of ventilation systems with heat recovery, controlled ventilation for living spaces, earth registers, and adsorption systems for cellar rooms.
Climate and refrigeration planning
Planning of climate and refrigeration systems for component cooling, wine cellar cooling, process cooling, commercial freezer facilities and cooling systems with heat recovery.
Sanitary planning
Specialist design of sanitary systems, wastewater and drainage systems, water treatment, hot water preparation, rainwater harvesting, and systems for swimming pools, baths and special gas.
Energy consulting and energy concepts
Advisory services on energy matters, energy concepts and analyses for new builds and renovations, energy certificates, GEAK, subsidy applications, and Minergie certificates and building optimisations.
Fire protection planning
Fire protection planning and consulting, fire protection and smoke extraction concepts, quality assurance in accordance with VKF, and support with contacts with authorities and acceptance inspections.
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3.9/5

H5 Haustechnik AG

Trust & reputation

ranQ Trust Score of H5 Haustechnik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

H5 Haustechnik AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
H5 Haustechnik 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%
H5 Haustechnik 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%
H5 Haustechnik AG scores 13.4 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 35.13.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

H5 Haustechnik 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 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bösch 65
6331 Hünenberg

At a glance

Legal form
Corporation
UID
CHE-106.196.623
Founded
1994 · 32 years
Last commercial register change
June 30, 2023
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.
100.0
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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