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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersBischofszellWärme Bischofszell-Sittertal AG
Wärme Bischofszell-Sittertal AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Wärme Bischofszell-Sittertal AG develops and operates a district heating system that extracts heat from the wastewater treatment plant using a heat pump and distributes it via a district heating network. The project is implemented in cooperation with Technische Gemeindebetriebe Bischofszell and EKT AG and includes a heating plant with thermal storage and a supplementary gas boiler for peak loads.

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Products & services

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3.8/5

Wärme Bischofszell-Sittertal AG

✓ Offered1
District heating (Wärmeverbund Bischofszell-Sittertal)
Heat supply via a district heating network with a heating plant, heat pump and thermal storage; use of waste heat from the WWTP (ARA), with supplementary gas heating for peak load and redundancy.
Trust & reputation

ranQ Trust Score of Wärme Bischofszell-Sittertal AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 100% · As of October 2026

Wärme Bischofszell-Sittertal AG scores 58.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.47.224%
  • 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.55.910%
  • 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%
Wärme Bischofszell-Sittertal 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%
Wärme Bischofszell-Sittertal 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%
Wärme Bischofszell-Sittertal AG scores 22.2 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.14.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Wärme Bischofszell-Sittertal AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.5 out of 5 stars from 8 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle3.58
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 5, 2026Media
Trotz kleinerer Nachfrage: Es sind Ausbauschritte beim Wärmeverbund Bischofszell geplant
thurgauerzeitung.ch
November 8, 2022Media
Die Stadt Bischofszell und die EKT Holding AG gründen einen Wärmeverbund für 350 Familien
thurgauerzeitung.ch

Knowledge

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Comparisons

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Location

Hofplatz 1
9220 Bischofszell
Opening hours
Mon
07:30 - 12:00, 13:30 - 16:30
Tue
07:30 - 12:00, 13:30 - 16:30
Wed
07:30 - 12:00, 13:30 - 16:30
Thu
07:30 - 12:00, 13:30 - 18:00
Fri
07:00 - 14:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-376.463.977
Founded
2022 · 4 years
Last commercial register change
December 19, 2024
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.100.06%
  • 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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