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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGelterkindenWalter Weber AG Heizung-Lüftung
Walter Weber AG Heizung-Lüftung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Walter Weber AG Heizung-Lüftung plans, installs and renovates heating systems and ventilation systems. The company also provides service, maintenance and support for heating projects.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Heating systems
Planning and execution of heating projects, installation of all types of heating systems, overall management of heating renovations, and processing of funding contributions.
Ventilation
Planning and execution of controlled supply and exhaust ventilation with heat recovery for single-family homes and apartments, as well as maintenance of existing ventilation systems.
Mobile heat
Mobile heating plants for the rapid supply of properties with heat and domestic hot water, from electric heating units to oil-fired heating plants in a trailer or container.
Service
In-house service operation 365 days a year, as well as maintenance contracts for oil-fired heating systems after commissioning of the heating plant.
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4.3/5

Walter Weber AG Heizung-Lüftung

Trust & reputation

ranQ Trust Score of Walter Weber AG Heizung-Lüftung: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Walter Weber AG Heizung-Lüftung scores 81.1 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.75.724%
  • 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.82.910%
  • 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%
Walter Weber AG Heizung-Lüftung scores 79.8 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.86.512%
  • 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%
Walter Weber AG Heizung-Lüftung 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%
Walter Weber AG Heizung-Lüftung scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walter Weber AG Heizung-Lüftung reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 25 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
4.6
of 5

Aggregated from 25 reviews across all connected sources

Sources
GGoogle4.625
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Poststrasse 10
4460 Gelterkinden
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:00
Tue
07:15 - 12:00, 13:00 - 17:00
Wed
07:15 - 12:00, 13:00 - 17:00
Thu
07:15 - 12:00, 13:00 - 17:00
Fri
07:15 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-294.651.826
Founded
2016 · 10 years
Last commercial register change
December 2, 2019
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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