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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersBuchs AgFernwärme Wynenfeld AG
Fernwärme Wynenfeld AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of FEWAG (Fernwärme Wynenfeld AG) is the production and distribution of district heating, particularly through the use of steam energy, to supply households and businesses with heat. The company builds and maintains a network of district heating pipes to deliver the generated heat to its customers, thereby offering an environmentally friendly alternative to conventional heating systems.

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Products & services

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4.1/5

Fernwärme Wynenfeld AG

✓ Offered
4
District heating supply
District heating for commercial and public customers in Wynenfeld and the surrounding area; heat from waste heat recovered from the Buchs waste incineration plant, supplied via district heating pipelines and a heat centre.
Steam supply
Steam supply from the Buchs waste incineration plant for industrial customers; delivery via the steam system with thermal output and steam transport capacity for thermal energy demand.
Hot-water supply
Hot water from the steam system and from the hot-water centre; supply via flow and return pipes for comfort heat and other heat customers.
Extension of the district heating network
Expansion of the operating network for private connections and additional heat customers; extensions in the areas of Buchs, Rohr, Aarau, Suhr as well as further pipeline sections and connections.
Trust & reputation

ranQ Trust Score of Fernwärme Wynenfeld AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Fernwärme Wynenfeld AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Fernwärme Wynenfeld 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%
Fernwärme Wynenfeld 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%
Fernwärme Wynenfeld AG scores 29.3 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 35.48.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Fernwärme Wynenfeld AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

April 7, 2019Media
Neu auch Fernwärme bis nach Suhr? Buchser Dampf für Emmi naht
aargauerzeitung.ch

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Location

Im Lostorf 11
5033 Buchs Ag

At a glance

Legal form
Corporation
UID
CHE-104.031.974
Founded
1982 · 44 years
Last commercial register change
September 25, 2026
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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