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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerDüdingenLWT Wärmetauschersysteme AG
LWT Wärmetauschersysteme AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

LWT Wärmetauschersysteme AG advises on and sells heat exchanger systems. It designs and optimizes finned heat exchangers and heat recovery systems, and supplies plate heat exchangers, air heaters, coolers, direct evaporators and condensers for heating, ventilation, air conditioning, refrigeration and industrial applications.

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Products & services

Industry:Engineer
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3.9/5

LWT Wärmetauschersysteme AG

✓ Offered5
KVS-WRG systems
Circulating loop systems for heat recovery for industrial heating and cooling systems, ventilation systems, air-conditioning and waste-heat recovery; fully ventable and drainable, with low pressure drop.
Finned heat exchangers
Finned heat exchangers for heating and cooling air for heating, ventilation, air-conditioning and refrigeration applications, as well as industrial special applications; manufactured to measure, also available in special and stainless-steel designs.
Plate heat exchangers
Brazed and bolted plate heat exchangers, as well as spiral-pipe heat exchangers for refrigeration technology, air-conditioning, district heating, heating, drinking water and industrial applications.
Axial units
Axial units with dry coolers and condensers for process cooling, refrigeration technology, air-conditioning, district heating and energy plants; available in various designs and sizes.
Consulting and sales of heat exchanger systems
Consulting and sales of heat exchanger systems, including thermodynamic design, calculation and optimisation of heat recovery plants, as well as support for tailor-made solutions.
Trust & reputation

ranQ Trust Score of LWT Wärmetauschersysteme AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

LWT Wärmetauschersysteme AG scores 65.9 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.75.024%
  • 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.40.910%
  • 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.70.08%
LWT Wärmetauschersysteme AG scores 71.3 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.58.012%
  • 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.70.07%
LWT Wärmetauschersysteme AG scores 86.7 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).86.722%
LWT Wärmetauschersysteme AG scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LWT Wärmetauschersysteme 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 4 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bonnstrasse 16
3186 Düdingen

At a glance

Legal form
Corporation
UID
CHE-271.618.344
Founded
2022 · 4 years
Last commercial register change
December 22, 2025
Employees
11 to 20

Active in 1 of 26 cantons

  • FRFribourg
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.
100.0
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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