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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRiehenHSR Heizungsservice Riehen GmbH
HSR Heizungsservice Riehen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of HSR Heizungsservice Riehen GmbH is the planning, installation, maintenance and repair of heating systems as well as the use of solar energy for hot water.

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Offering

Products & services

Industry:Plumbing & Building Services
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HSR Heizungsservice Riehen GmbH

Solar & Photovoltaics
✓ Offered10
Heating system service
Installation, maintenance, servicing and repair of heating systems of all kinds; including new builds, renovations, replacement and conversions to energy-saving systems.
Plumbing service work
Plumbing service work for heating-related and building-technology systems; complete service from a single source, also for installations and renovations in the bathroom.
Solar thermal and solar systems
Design, planning, installation and maintenance of solar systems and alternative energy systems; use of solar energy for hot-water generation and for photovoltaic projects.
Maintenance contract for heating systems
Maintenance contracts with an annual fixed-cost lump sum, scheduled maintenance services and operational reliability for heating systems.
Heat pumps
Design, installation and servicing of heat-pump systems for new builds, replacement and renovation of existing heating systems.
District heating
Planning, installation, maintenance and conversion to district heating systems for using waste heat, provided it does not come from fossil processes.
Gas heating systems
Installation, maintenance and replacement of gas heating systems for properties connected to the gas grid; including consultation on efficient solutions.
Oil heating systems
Renovation, replacement and optimization of existing oil-fired heating systems; use of condensing technology and efficiency improvements.
Solid-fuel heating systems
Advisory services on demand, installation and maintenance costs, service life as well as pros and cons of solid-fuel heating systems.
Heating replacement and renovation
Replacement and renovation of existing heating systems with support for the switch to renewable or more efficient systems.
Trust & reputation

ranQ Trust Score of HSR Heizungsservice Riehen GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

HSR Heizungsservice Riehen GmbH scores 63.8 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.65.024%
  • 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.49.510%
  • 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.78.08%
HSR Heizungsservice Riehen GmbH scores 75.7 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.83.012%
  • 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.55.07%
HSR Heizungsservice Riehen GmbH 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%
HSR Heizungsservice Riehen GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HSR Heizungsservice Riehen GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnhofstrasse 71
4125 Riehen

At a glance

Legal form
Limited Liability Company
UID
CHE-327.568.453
Founded
2017 · 9 years
Last commercial register change
April 28, 2025
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.88.06%
  • 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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