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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSchattdorfArnold AG Heizung-Sanitär
Arnold AG Heizung-Sanitär Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Arnold AG Heizung-Sanitär is a building services company offering heating, ventilation and sanitary installations. It provides services from consulting and planning to installation, refurbishment and maintenance, including boiler servicing, customer service and an on-call emergency service.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered
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4.3/5

Arnold AG Heizung-Sanitär

6
Heating technology
Heating system renovations, heat pumps, heat pump boilers, solar collectors, wood heating systems, district heating connections, oil heating, plus heat distribution, underfloor heating and 24-hour on-call service.
Plumbing installations
Bathroom renovations, kitchen renovations, swimming pools, wellness facilities, water and wastewater installations, water treatment, water softening, leak warning systems, plus 24-hour on-call service and repairs.
Ventilation technology
Kitchen exhaust systems, bathroom, shower and WC exhaust systems, controlled residential ventilation, equipment replacement, repairs, maintenance, plus service subscriptions and maintenance plans.
Building services planning
Energy consulting, energy concepts, planning of building services systems, plus water supply and wastewater disposal for heating, cooling, ventilation, climate, plumbing and electrical systems.
Boiler maintenance
Boiler descaling, boiler cleaning, temperature setting checks, replacement of the sacrificial anode and flange gasket, inspection of heat exchanger, internal lining and safety valve.
Service department
24-hour on-call service for heating, ventilation and plumbing systems, repairs and maintenance, service subscriptions, and maintenance across the building services range.
Trust & reputation

ranQ Trust Score of Arnold AG Heizung-Sanitär: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Arnold AG Heizung-Sanitär scores 74.5 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.95.08%
Arnold AG Heizung-Sanitär scores 92.3 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.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.82.07%
Arnold AG Heizung-Sanitär 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%
Arnold AG Heizung-Sanitär scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Arnold AG Heizung-Sanitär reaches a ranQ Trust Score of 4.3 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.

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Location

Umfahrungsstrasse 13
6467 Schattdorf
Opening hours
Mon
07:15 - 11:45, 13:00 - 17:00
Tue
07:15 - 11:45, 13:00 - 17:00
Wed
07:15 - 11:45, 13:00 - 17:00
Thu
07:15 - 11:45, 13:00 - 17:00
Fri
07:15 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.892.094
Founded
1975 · 51 years
Last commercial register change
May 31, 2024
Employees
21 to 50
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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