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

About the company

The core activity of Albert Rotzinger AG is the planning, installation, maintenance and repair of heating, sanitary and solar systems, including consulting and implementation of bathroom renovations and the installation of solar collectors.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered10
Heating systems
Planning, installation, maintenance, repair and renovation of heating systems; new installations, conversions, heating boilers, heat generators, radiators, underfloor heating and heating control systems with smart-home connection.
Sanitary installations
Planning, installation, maintenance and renovation of sanitary installations; new installations, conversions, bathroom installations, water and wastewater pipes, as well as fittings, washbasins, WCs, showers and bathtubs.
Solar systems
Advisory, planning, installation and maintenance of solar systems; photovoltaics and solar thermal, cost-effectiveness calculations, payback analysis, solar modules, inverters and power storage.
Burner service
Maintenance, cleaning, adjustment and inspection of heating burners; cleaning of the combustion chamber, nozzles, ignition electrodes, heat exchangers and air ducts, as well as setting the combustion air.
Descaling water heaters
Professional descaling of water heaters; draining, mechanical and chemical descaling, cleaning, inspection of the anode, seals and heating element, as well as refilling and a functional test.
Heat pump boilers
Advisory, installation, maintenance and service of heat pump boilers for hot water preparation; dismantling of old boilers, integration into the hot-water supply, inspection, cleaning and system checks.
Water softening systems
Consulting, supply, installation and maintenance of water softening systems; water analysis, determination of hardness, selection of ion exchangers and integration into the existing pipework.
Water filters
Analysis, selection, installation and maintenance of water filters; under-counter, countertop and whole-house water filters, connection to pipework and fittings, and inspection of system function.
Flushing underfloor heating
Flushing of underfloor heating systems to restore heat output; removal of sludge, rust and deposits, functional testing, recommissioning and inspection of flow rate and valves.
Pipe renovation
Renovation of water, wastewater and heating pipelines; rectification of leaking, calcified or outdated pipes, removal of rust and deposits, and preservation of the installation's value.
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4.2/5

Albert Rotzinger AG

Trust & reputation

ranQ Trust Score of Albert Rotzinger AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Albert Rotzinger AG scores 74.1 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.77.024%
  • 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.70.510%
  • 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.70.08%
Albert Rotzinger 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%
Albert Rotzinger 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%
Albert Rotzinger AG scores 13.7 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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Albert Rotzinger AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 15 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
4.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Hier entsteht die Karte
Promenadestrasse 6
5330 Bad Zurzach
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 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.933.442
Founded
1992 · 34 years
Last commercial register change
February 17, 2022
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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