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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryEscholzmattHEFAS GmbH
HEFAS GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of HEFAS GmbH is the planning, installation, maintenance and repair of wood-fired systems, particularly log and wood chip firing systems, as well as the development and implementation of controls for heat distribution systems.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered6
Service & Maintenance for Wood-Fired Heating Systems
Repairs, maintenance and service for wood-fired heating systems throughout Switzerland, including systems from Ygnis, Müller, Biokompakt and wood chip-fired furnaces.
Wood Chip-Fired Furnaces
Wood chip-fired furnaces for different systems and manufacturers, with service, maintenance and repairs as well as refurbishment and retrofitting in the wood-firing sector.
Log-Fired Furnaces
Log-fired furnaces by Strebel Turbotec and Turbomatic for 18–100 kW, with consultation, refurbishments, repairs and operation for different log lengths.
Fault Service
Fault service for wood-fired heating systems in case of failures and operating faults, as a supplement to service, maintenance and repairs.
Controls for Heat Distribution
Controls for combustion systems and heat distribution, from silo discharge to heat distribution, including the heating controller TEM - Elesta.
Emissions Measurements
Preparations and optimisation settings for the acceptance of official flue gas measurements for various wood-fired heating systems.
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4.1/5

HEFAS GmbH

Trust & reputation

ranQ Trust Score of HEFAS 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.

HEFAS 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.
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%
HEFAS GmbH scores 83.0 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.55.07%
HEFAS 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%
HEFAS GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HEFAS 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

Schwandacher
6182 Escholzmatt

At a glance

Legal form
Limited Liability Company
UID
CHE-109.627.186
Founded
2002 · 24 years
Last commercial register change
May 14, 2013
Employees
1 to 10
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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