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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsDallenwilNiederberger Heizung-Sanitär AG
Niederberger Heizung-Sanitär AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Niederberger Heizung-Sanitär AG is the planning, installation and maintenance of sanitary facilities, heating systems, solar and ventilation systems, as well as central vacuum cleaning systems. The company also offers services in the field of heat pump technology and water descaling.

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Products & services

Industry:Solar & Photovoltaics
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3.9/5

Niederberger Heizung-Sanitär AG

6
Heating systems
Planning, installation and renovation of heating systems for single-family homes, multi-family buildings and commercial or office properties, including heat pumps and alternative heating systems.
Plumbing installations
Planning and execution of plumbing systems, bathroom conversions and installations for small and large projects, with advice, coordination, installation and quality checks.
Solar thermal systems
Planning and installation of thermal solar collectors for domestic hot water production and heating support, as part of systems based on alternative energies.
Ventilation systems
Planning, professional installation and maintenance of ventilation systems for residential, office and industrial buildings, including controlled residential ventilation and Minergie-compliant systems.
Central vacuum systems
Planning and installation of central vacuum systems with central unit, suction piping and connection sockets for dust-free, low-noise cleaning.
Heating modernization and service
Heating modernization, renovations, repairs, maintenance and equipment replacement, complemented by project planning, costing, coordination and a 24-hour emergency service.
Trust & reputation

ranQ Trust Score of Niederberger Heizung-Sanitär AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Niederberger Heizung-Sanitär 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%
Niederberger Heizung-Sanitär AG 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%
Niederberger Heizung-Sanitär 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%
Niederberger Heizung-Sanitär AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Niederberger Heizung-Sanitär 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

Stettlistrasse 37
6383 Dallenwil

At a glance

Legal form
Corporation
UID
CHE-106.903.817
Founded
1983 · 43 years
Last commercial register change
December 1, 2021
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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