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

About the company

The core activity of Radiatherm AG is the distribution of products for the heating and sanitary industry. The company offers a wide range of articles, including valves, shut-off fittings, pumps, connections, expansion vessels, exhaust pipes, building fittings, water filters and installation systems. Radiatherm AG positions itself as a specialist wholesaler and offers its customers, in addition to the sale of products, consulting and service services.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Heating products
Oil and gas boilers, heat pumps, pumps, thermostatic valves, TKM valves, radiators, underfloor heating systems, piping systems, chimney systems and flue gas ducts.
Sanitary products
Fittings, water filters, water heaters, drinking water installation systems, building fittings, press fittings, composite pipes, boilers, descaling and limescale protection systems, and accessories for drinking water installation.
Installation and consumables
Pipe clamps, base plates, pipe insulation, hemp, Teflon, Loctite, hole paste, as well as tools and aids for installations.
Consulting and valve replacement service
On-site or phone consulting, support for valve replacements, selection of thermostatic valves, TKM and single-pipe valves, as well as help with ceiling heating and old heating valves.
Order and delivery service
Orders by e-mail, phone or WhatsApp, goods available at the Buchs AG and Zurich shops, delivery within 24 hours for stock items.
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4.4/5

Radiatherm AG

Trust & reputation

ranQ Trust Score of Radiatherm AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Radiatherm AG scores 86.5 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.85.324%
  • 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.78.610%
  • 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%
Radiatherm AG scores 85.5 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%
Radiatherm 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%
Radiatherm AG scores 12.0 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 35.12.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Radiatherm AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 21 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
4.9
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.921
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Webereiweg 4
5033 Buchs Ag
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.177.627
Founded
2002 · 24 years
Last commercial register change
October 27, 2017
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.
100.0
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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