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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBusswil TgQuinter + von Ah Heizungen und Feuerungen
Quinter + von Ah Heizungen und Feuerungen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Quinter & von Ah is the planning, installation and maintenance of heating systems and fireplaces, including the performance of flue gas checks and renovations of heating systems. The company also offers services in the field of chimney construction and renovation.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered7
Heating systems
Heating systems for new builds, conversions and renovations; planning, installation, replacement and heating system renovation.
Combustion systems
Combustion systems and burner service; service work, oil burners and burner components for heating systems.
Flue gas inspections
Official flue gas inspections and flue gas checks for heating and combustion systems.
Chimney renovations
Renovation of chimneys and flue pipes; chrome steel chimney, plastic chimney and plastic flue pipe.
Pellet heating systems
Pellet heating systems and pellet boilers for heating systems based on wood pellets.
Heat pumps
Heat pumps for heating solutions and energy-efficient modernisation.
Renovations
Renovations of heating and combustion systems, including heating and chimney renovations.
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4.2/5

Quinter + von Ah Heizungen und Feuerungen

Trust & reputation

ranQ Trust Score of Quinter + von Ah Heizungen und Feuerungen: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Quinter + von Ah Heizungen und Feuerungen scores 75.5 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.78.124%
  • 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.49.510%
  • 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.100.08%
Quinter + von Ah Heizungen und Feuerungen scores 81.0 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%
Quinter + von Ah Heizungen und Feuerungen 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%
Quinter + von Ah Heizungen und Feuerungen scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Quinter + von Ah Heizungen und Feuerungen reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Weingartenstrasse 12
8371 Busswil Tg
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:00
Tue
07:15 - 12:00, 13:15 - 17:00
Wed
07:15 - 12:00, 13:15 - 17:00
Thu
07:15 - 12:00, 13:15 - 17:00
Fri
07:15 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
General Partnership
UID
CHE-106.120.755
Founded
1995 · 31 years
Last commercial register change
August 24, 2011
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.79.06%
  • 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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