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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSeewen SzRSB-Haustechnik, Heizung und Sanitär GmbH
RSB-Haustechnik, Heizung und Sanitär GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of RSB-Haustechnik is the planning, execution and maintenance of heating and sanitary installations, including bathroom renovations, new constructions, floor heating, boiler descaling, heat pump systems and sanitary appliances, as well as service work and repairs in the areas of heating and sanitation.

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Products & services

Industry:Plumbing & Building Services
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4.2/5

RSB-Haustechnik, Heizung und Sanitär GmbH

5
Heating installations
Radiators, underfloor heating and cooling, oil and gas heating systems, heat pump systems, wood-fired heating systems, solar installations, heat distribution and pipe insulation.
Sanitary installations
Bathroom conversions, sanitary installations, cold, hot and waste water pipes, potable water heaters, heat pump boilers, pressure boosting systems, installation walls and water treatment systems.
Service work
Flush underfloor heating, descale boilers, pipe inspection, maintenance and other service work for heating and sanitary systems.
Sanitary installations for new builds and conversions
Consulting, design and installation of sanitary installations for single- and multi-family houses as well as for new builds and conversions for administration, industry and agriculture.
Heating installations for new builds and conversions
Consulting, design and installation of heating installations for single- and multi-family houses as well as for new builds and conversions.
Trust & reputation

ranQ Trust Score of RSB-Haustechnik, Heizung und Sanitär GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

RSB-Haustechnik, Heizung und Sanitär GmbH scores 85.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.88.324%
  • 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.77.410%
  • 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%
RSB-Haustechnik, Heizung und Sanitär GmbH scores 72.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.75.012%
  • 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%
RSB-Haustechnik, Heizung und Sanitär 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%
RSB-Haustechnik, Heizung und Sanitär GmbH scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

RSB-Haustechnik, Heizung und Sanitär GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 20 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 20 reviews across all connected sources

Sources
GGoogle520
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bahnhofstrasse 128
6423 Seewen Sz
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:00
Tue
07:15 - 12:00, 13:15 - 17:00
Wed
07:15 - 12:00, 13:15 - 17:00
Thu
07:15 - 12:00, 13:15 - 17:00
Fri
07:15 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-400.245.762
Founded
2019 · 7 years
Last commercial register change
September 5, 2024
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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