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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRoche VdHeitzmann AG
Heitzmann AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Heitzmann AG supplies wood-fired heating systems and related services, including pellet, log and wood-chip boilers as well as combined and industrial heating systems. The company provides consulting, system planning, production, installation, maintenance and customer service, and operates a wood-energy centre.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered12
Pellet heating
Pellet boilers for detached houses, residential buildings, residential districts, public buildings, hotels, industry and district heating.
Log heating
Log boilers for detached houses, agriculture, carpentry shops and other buildings, with variants of 50 cm and 1 m depending on needs.
Wood chip heating
Wood chip boilers for agriculture, industry and commerce, public buildings, carpentry shops and district heating networks.
Combined heating
Combined heating systems with logs and pellets for more comfortable wood-heating solutions suited to different buildings.
Industrial heating
Industrial boilers for high heat requirements, in particular for heating centres, industry, carpentry shops and sawmills.
Mobile heating
Mobile heating units with pellets or wood chips for temporary needs or mobile boiler rooms.
Heating modules
Heating modules in containers with an external boiler room when the building has insufficient space for the boiler and wood storage.
Consulting and sales
Heating advice, finding a suitable solution, quotation requests, subsidies and support for new heating systems or renovations.
Concept and planning
Tailor-made concepts and planning for wood heating systems, with help preparing the project and choosing the solution.
Implementation
Renovation and delivery of heating projects, from planning to commissioning, with coordinated quotation and execution.
Production
Development and manufacture of 1 m log boilers in an internal production process.
Customer service
Telephone support for breakdowns or adjustments, maintenance and servicing, commissioning and training for installers, planners and chimney sweeps.
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4.2/5

Heitzmann AG

Trust & reputation

ranQ Trust Score of Heitzmann AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Heitzmann AG scores 82.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.76.824%
  • 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.92.510%
  • 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.88.08%
Heitzmann AG scores 63.3 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.39.612%
  • 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.90.07%
Heitzmann AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Heitzmann AG 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

Heitzmann AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 37 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 37 reviews across all connected sources

Sources
GGoogle4.637
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

ZI la Coche 7
1852 Roche Vd
Opening hours
Mon
08:00 - 11:45, 13:15 - 17:00
Tue
08:00 - 11:45, 13:15 - 17:00
Wed
08:00 - 11:45, 13:15 - 17:00
Thu
08:00 - 11:45, 13:15 - 17:00
Fri
08:00 - 11:45, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-305.660.895
Founded
2024 · 2 years
Last commercial register change
July 23, 2024
Employees
51 to 100
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.
76.0
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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