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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsWillisauÖkoFEN-Schweiz GmbH
ÖkoFEN-Schweiz GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of ÖkoFEN is the development and production of pellet heating systems and air-water heat pumps, i.e. renewable heating solutions.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered8
Pellet heating systems
Pellet heating systems for single-family homes, multi-family houses and commercial buildings; fully automatic heating systems, condensing technology, calorific value technology, electricity-generating pellet heating systems and complete systems.
Heat pumps
Air-to-water heat pumps for sustainable heating; GreenFOX in different power sizes, as well as hybrid solutions with a heat pump, pellet heating, solar thermal or photovoltaic.
Battery systems
Battery storage, GreenBOX® and complete systems for connecting consumers; smart charging solutions and storage technology capable of black start.
Pellet storage
Space-saving and cost-effective solutions for pellet storage; textile silos, outdoor tanks, containers that can be filled manually and storage room solutions with conveying systems.
Energy management
Intelligent heating and energy control with Pelletronic Touch, myPelletronic App, Smart PV and Smart Home; remote control, weather-based regulation and networked system control.
Technologies
Condensing technology, ZeroFlame and GreenMode; technologies to increase efficiency, low-emission combustion and intelligent control of heating systems.
Incentives
Information on incentive programs for pellet heating systems and heat pumps in Switzerland, as well as cantonal subsidy references.
Advisory and contacts
Online product advisor, appointment for consultation, sales advisor search, contact and customer service for project clarification, information, maintenance and support.
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4.1/5

ÖkoFEN-Schweiz GmbH

Trust & reputation

ranQ Trust Score of ÖkoFEN-Schweiz GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

ÖkoFEN-Schweiz GmbH 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.
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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%
ÖkoFEN-Schweiz GmbH scores 86.7 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%
ÖkoFEN-Schweiz GmbH scores 83.3 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).83.322%
ÖkoFEN-Schweiz GmbH scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ÖkoFEN-Schweiz GmbH 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 54%, 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.

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Location

Baumgärtli 13
6130 Willisau

At a glance

Legal form
Limited Liability Company
UID
CHE-114.442.876
Founded
2008 · 18 years
Last commercial register change
February 23, 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.
88.0
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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