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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryAlterswil FrWTS Produktion AG
WTS Produktion AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of WTS Produktion AG is the development, production and delivery of high-quality heat transfer systems and components, in particular WRG systems (heat recovery systems), air heaters, air coolers, direct evaporators, condensers, plate heat exchangers, steam heating elements and axial units.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered7
Air / water heat exchangers (KVS-WRG systems, air heaters / air coolers)
High-performance circuit composite systems for heat recovery, thermodynamically designed air heaters and air coolers, individually calculated and configured for specific requirements.
Refrigeration heat exchangers
Direct expansion evaporators and condensers with standardized pressure testing, finned fins, a wide range of pipe systems and geometries, and versions with internally finned tubes.
Plate heat exchangers
Bolted, brazed and fully welded plate heat exchangers from standardized solutions to process-optimized model series, also available as custom versions.
Axial units
V-shaped axial units, horizontal and vertical, as dry coolers, split evaporators and axial condensers for commercial refrigeration, HVAC, process cooling and heat pumps.
Steam heating elements
Steam heating elements with standardized pressure testing, finned fins and stainless-steel tubes, welded according to DIN ISO 13585-912T and EN ISO 9606-1.
Rebuilds / refurbishments
Repairs of older heat exchangers and identical re-building of units that can no longer be repaired, including refurbishments and reconstructions of existing systems.
Materials and geometries
Selection of materials and geometries for heat exchangers, including aluminium, aluminium-magnesium, copper, stainless steel and coated variants for different environments.
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4.2/5

WTS Produktion AG

Trust & reputation

ranQ Trust Score of WTS Produktion AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

WTS Produktion AG scores 67.9 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.68.824%
  • 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.49.510%
  • 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.88.08%
WTS Produktion AG scores 89.3 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.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.70.07%
WTS Produktion AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
WTS Produktion AG scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

WTS Produktion AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 6 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
4.5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schlossacher 4
1715 Alterswil Fr
Opening hours
Mon
07:00 - 11:30, 13:00 - 17:00
Tue
07:00 - 11:30, 13:00 - 17:00
Wed
07:00 - 11:30, 13:00 - 17:00
Thu
07:00 - 11:30, 13:00 - 17:00
Fri
07:00 - 11:30, 13:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.176.340
Founded
1992 · 34 years
Last commercial register change
April 8, 2025
Employees
11 to 20
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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