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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy producerSurseeWärmeverbund Sursee AG
Wärmeverbund Sursee AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Wärmeverbund Sursee AG plans, builds and operates heating and cooling networks, together with the energy facilities they require. It supplies heat using renewable and local energy sources, including industrial waste heat and wood.

AI-generated
Offering

Products & services

Industry:Energy producer
✓ Offered5
District heating
Planning, construction and operation of district heating networks in Sursee; supplying residential buildings, commercial premises and public facilities with heat and cooling from renewable and local energy sources.
District heating connection
Verification of the supply area, advice on the connection, direct house service line and installation of a space-saving heat interface unit, including maintenance and heat supply.
District heating Isebahn Vorstadt
District heating supply in the Isebahn Vorstadt area using industrial waste heat from fenaco’s operating processes; used for space heating and domestic hot water via an existing heat network.
District heating St. Martinsgrund
District heating supply in the St. Martinsgrund area with renewable heat from regional wood chips; connection of residential and commercial buildings for heating and domestic hot water.
Advice on district heating connection
Non-binding consultation for people interested in the supply area, including checking the requirements for a connection and contacting the relevant points of contact.
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4.1/5

Wärmeverbund Sursee AG

Trust & reputation

ranQ Trust Score of Wärmeverbund Sursee AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of November 2026

Wärmeverbund Sursee 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%
Wärmeverbund Sursee AG scores 79.5 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.70.212%
  • 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.82.07%
Wärmeverbund Sursee 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%
Wärmeverbund Sursee AG scores 21.9 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 35.17.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.26.74%
Qualifications+0.00

Wärmeverbund Sursee 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 November 2026.

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

Press

Media

March 22, 2026Media
Sursee gräbt sich durch St. Martinsgrund
zentralplus.ch
February 26, 2026Media
Wärmezentrale nimmt Gestalt an
surseerwoche.ch
December 7, 2022Media
Sursee spart dank neuer Energiezentrale 465 Tonnen Co2
luzernerzeitung.ch
April 16, 2021Media
Bau des Surseer Fernwärmenetzes startet
surseerwoche.ch

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Location

Centralstrasse 9
6210 Sursee

At a glance

Legal form
Corporation
UID
CHE-474.915.153
Founded
2020 · 6 years
Last commercial register change
September 11, 2026
Employees
21 to 50
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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