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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLützelflüh-GoldbachPeter Wittwer Brennerservice, Oel- und Gasfeuerungen
Peter Wittwer Brennerservice, Oel- und Gasfeuerungen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Peter Wittwer Brennerservice is the installation, maintenance and repair of heating systems, particularly oil burners, gas burners and pellet heating systems. The company also offers service subscriptions and on-call services to provide customers with quick and efficient support in the event of heating failures or other issues.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Oil burner service
Annual inspection and maintenance of oil burners, including cleaning, checking and replacing the oil filter and oil nozzle, and testing the motor, pump, control unit and electrodes.
Gas burner service
Annual maintenance of gas burners, including cleaning and checking all burner components, functional checks of control and safety devices, and optimisation of exhaust gas values.
Pellet heating service
Annual maintenance of pellet heating systems, including inspection of the safety devices, cleaning and checking the burner components, functional checks and replacement of defective parts.
Service and on-call
Repairs of burners and controls, oil line installation, commissioning of oil and gas burners, and service with 24-hour on-call availability in the Emmental and the greater Bern area.
Service subscription
Regular maintenance contract for oil burners with cleaning and adjustment, reduction of energy consumption and emissions, as well as a complete overhaul within the subscription year.
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3.9/5

Peter Wittwer Brennerservice, Oel- und Gasfeuerungen

Trust & reputation

ranQ Trust Score of Peter Wittwer Brennerservice, Oel- und Gasfeuerungen: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 96% · As of October 2026

Peter Wittwer Brennerservice, Oel- und Gasfeuerungen scores 62.1 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.75.024%
  • 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.40.910%
  • 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.50.08%
Peter Wittwer Brennerservice, Oel- und Gasfeuerungen scores 78.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Peter Wittwer Brennerservice, Oel- und Gasfeuerungen 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%
Peter Wittwer Brennerservice, Oel- und Gasfeuerungen scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Peter Wittwer Brennerservice, Oel- und Gasfeuerungen reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gewerbestrasse 5
3432 Lützelflüh-Goldbach

At a glance

Legal form
Sole proprietorship
UID
CHE-111.470.681
Founded
2004 · 22 years
Last commercial register change
May 7, 2004
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.67.06%
  • 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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