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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBassersdorfHAPAG Gebäudetechnik AG
HAPAG Gebäudetechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

HAPAG Gebäudetechnik AG is a company specializing in air, refrigeration and heating technology, offering planning, installation and maintenance of ventilation, heating, air-conditioning and refrigeration systems for private and commercial clients.

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Products & services

Industry:Plumbing & Building Services
✓ Offered
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4.1/5

HAPAG Gebäudetechnik AG

5
Ventilation
Ventilation systems for private individuals and businesses, including planning, implementation and support for air-technology solutions.
Heating
Heating systems for private individuals and businesses, with air-to-water heat pumps, brine-to-water heat pumps, district heating, wood heating systems as well as oil and gas heating systems.
Air conditioning
Air-conditioning systems and air-conditioning solutions for private individuals and businesses for climate-controlled building services.
Cooling
Cooling systems for private individuals and businesses, as part of air, refrigeration and heating technology.
After-sales service
Maintenance, care and fault rectification of existing systems, including periodic inspection, hygiene checks and remote monitoring.
Trust & reputation

ranQ Trust Score of HAPAG Gebäudetechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

HAPAG Gebäudetechnik AG scores 76.3 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.76.324%
  • 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.67.110%
  • 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%
HAPAG Gebäudetechnik AG scores 70.9 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.50.012%
  • 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%
HAPAG Gebäudetechnik 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%
HAPAG Gebäudetechnik AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HAPAG Gebäudetechnik AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 13 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 13 reviews across all connected sources

Sources
GGoogle4.713
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Grindelstrasse 28
8303 Bassersdorf
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:30
Tue
08:00 - 12:00, 13:00 - 16:30
Wed
08:00 - 12:00, 13:00 - 16:30
Thu
08:00 - 12:00, 13:00 - 16:30
Fri
08:00 - 12:00, 13:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-404.509.658
Founded
2023 · 3 years
Last commercial register change
December 15, 2025
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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