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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWildbergWegmann Wärmetauscher GmbH
Wegmann Wärmetauscher GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Wegmann Wärmetauscher GmbH is the development, manufacture, distribution and maintenance of heat exchangers and district heating stations, including consulting on the selection of the right heat exchanger, cleaning, spare parts and replacement, rebuilding/replacement and on-site service.

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Products & services

Industry:Plumbing & Building Services
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3.7/5

Wegmann Wärmetauscher GmbH

✓ Offered3
Heat exchangers
Plate heat exchangers, shell-and-tube heat exchangers and manifold construction; brazed, screwed and welded designs as well as type WRU, WRG and JAD.
District heating substations
Compact substations for district heating and district cooling, control engineering and remote maintenance; including a hydraulic schematic calculator for sizing and operation.
Heat exchanger service
Cleaning of heat exchangers, new parts and replacement, rebuild / replacement as well as on-site service also for third-party products.
Trust & reputation

ranQ Trust Score of Wegmann Wärmetauscher GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Wegmann Wärmetauscher GmbH scores 39.8 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.12.524%
  • 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.61.010%
  • 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%
Wegmann Wärmetauscher GmbH scores 83.0 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%
Wegmann Wärmetauscher 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%
Wegmann Wärmetauscher GmbH scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wegmann Wärmetauscher GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 2.2 out of 5 stars from 10 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
2.2
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle2.210
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Luegetenstrasse 1
8489 Wildberg
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-110.133.206
Founded
2003 · 23 years
Last commercial register change
January 28, 2026
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.
88.0
6%
  • 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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