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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesDomat/EmsSulser Heizung-Sanitärtechnik GmbH
Sulser Heizung-Sanitärtechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sulser Heizung-Sanitärtechnik GmbH provides planning, installation, maintenance and repair services for heating, sanitary and ventilation systems. Services include emergency repairs, boiler descaling, 3D bathroom planning, water treatment and advice on energy-efficient solutions.

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Products & services

Industry:Plumbing & Building Services
✓ Offered
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3.8/5

Sulser Heizung-Sanitärtechnik GmbH

6
Heating system installation
Installation of heating systems for residential and commercial buildings, maintenance and repair of heating plants, advice on energy-efficient solutions, and integration of solar thermal systems and heat pumps.
Sanitary installation
Planning and installation of sanitary systems for bathrooms, kitchens and other areas, repair and maintenance, barrier-free sanitary solutions, as well as water treatment systems and filter installation.
Ventilation systems
Design and installation of ventilation systems for residential and commercial buildings, maintenance of ventilation systems, heat recovery as well as solutions to control humidity and pollutants.
Planning
Tailor-made heating, sanitary and ventilation concepts for construction projects in 2D and 3D, construction drawings and technical specifications, as well as support with approval procedures.
Emergency repairs and customer service
Emergency service for urgent repairs of heating, sanitary and ventilation systems, quick troubleshooting on site, and regular maintenance services.
Energy efficiency and sustainability
Advice on energy-efficient and environmentally friendly solutions, support with funding programs and tax benefits, and implementation of smart home technologies.
Trust & reputation

ranQ Trust Score of Sulser Heizung-Sanitärtechnik GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Sulser Heizung-Sanitärtechnik GmbH scores 52.1 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.42.524%
  • 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.61.010%
  • 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%
Sulser Heizung-Sanitärtechnik GmbH scores 83.0 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%
Sulser Heizung-Sanitärtechnik GmbH 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%
Sulser Heizung-Sanitärtechnik GmbH scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sulser Heizung-Sanitärtechnik GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.4 out of 5 stars from 10 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
3.4
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle3.410
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Via Burgaisa 10
7013 Domat/Ems
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-366.733.460
Founded
2011 · 15 years
Last commercial register change
July 10, 2025
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.88.06%
  • 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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