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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesFelben-WellhausenR. Gerber AG Sanitär/Heizungen
R. Gerber AG Sanitär/Heizungen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

R. Gerber AG Sanitär/Heizungen provides planning, supply, installation and maintenance of sanitary installations and heating systems. Services include gas, water and wastewater piping, boiler and underfloor heating systems, oil/wood/gas heating, solar energy and heat recovery solutions, water softening and rainwater use, as well as repair and maintenance work.

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Products & services

Industry:Plumbing & Building Services
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4.2/5

R. Gerber AG Sanitär/Heizungen

✓ Offered6
Sanitary installations
Planning, supply and installation of gas, water, waste-water and air lines, sanitary fixtures and building services systems; repair and maintenance service, new builds as well as renovations/modernisations.
Heating installations
Planning and implementation of heat utilisation for new builds and renovations/modernisations; oil, wood and gas heating systems, underfloor heating systems, solar energy, heat recovery and district heating supply.
Boiler service and boiler replacements
Service and replacement of boilers as part of sanitary services, including maintenance and adaptations to existing building services systems.
Water softening systems
Supply and installation of water softening systems as part of sanitary and building services.
Rainwater harvesting
Planning and implementation of rainwater harvesting in new builds and renovations/modernisations.
Wastewater pumps
Supply and installation of wastewater pumps for building services and drainage solutions.
Trust & reputation

ranQ Trust Score of R. Gerber AG Sanitär/Heizungen: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

R. Gerber AG Sanitär/Heizungen scores 76.1 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.79.424%
  • 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.52.910%
  • 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.95.08%
R. Gerber AG Sanitär/Heizungen scores 85.5 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.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.55.07%
R. Gerber AG Sanitär/Heizungen scores 83.3 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).83.322%
R. Gerber AG Sanitär/Heizungen scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

R. Gerber AG Sanitär/Heizungen 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 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Dorfstrasse 3
8552 Felben-Wellhausen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.193.258
Founded
1989 · 37 years
Last commercial register change
July 4, 2016
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.100.06%
  • 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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