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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRudolfstettenHostettler Sanitär + Heizung AG
Hostettler Sanitär + Heizung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hostettler Sanitär + Heizung AG provides plumbing and heating services, including planning, consultation and execution of renovations and new installations. The company sells, delivers and installs household appliances and water treatment systems, and performs service, installation and maintenance work. For heating systems it plans and installs oil and gas boilers, air‑ and ground‑source heat pumps, pellet and solar heating, photovoltaics and controlled ventilation, and advises on alternative energy options.

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Products & services

Industry:Plumbing & Building Services
✓ Offered4
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Hostettler Sanitär + Heizung AG

Renovations and conversions
Overall planning and support for renovations and conversions, advice and organisation with specialists and tradespeople from different fields; including drywall systems and modernisation for older buildings.
New installations
Consulting, planning and installation of bathroom and kitchen refurbishments, designer bathrooms, wet rooms, wellness areas and kitchens; also delivery and installation of washing machines, tumble dryers and dishwashers.
Heating
Planning, coordination and installation of oil and gas heating systems, air-to-water heat pumps, borehole heat exchanger systems, pellet heating systems, solar heating systems, solar domestic hot water heating systems, and controlled ventilation systems.
Alternative energy
Advice and implementation of solar heating systems, solar domestic hot water heating systems, rainwater harvesting, as well as combined use of renewable energies and heat-pump solutions.
Trust & reputation

ranQ Trust Score of Hostettler Sanitär + Heizung AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Hostettler Sanitär + Heizung AG scores 71.2 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.58.124%
  • 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.79.710%
  • 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%
Hostettler Sanitär + Heizung 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%
Hostettler Sanitär + Heizung AG scores 83.3 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).83.322%
Hostettler Sanitär + Heizung AG scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hostettler Sanitär + Heizung AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 22 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
4.1
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.122
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Bernstrasse 114
8964 Rudolfstetten
Opening hours
Mon
08:00 - 12:00, 13:15 - 17:30
Tue
08:00 - 12:00, 13:15 - 17:30
Wed
08:00 - 12:00, 13:15 - 17:30
Thu
08:00 - 12:00, 13:15 - 17:30
Fri
08:00 - 12:00, 13:15 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.520.549
Founded
1985 · 41 years
Last commercial register change
November 21, 2008
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.100.06%
  • 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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