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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesVorderthalDR Haustechnik & Service GmbH
DR Haustechnik & Service GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of DR Haustechnik & Service GmbH is the planning, installation, maintenance and repair of building technology systems, particularly in the following areas: Sanitary: installation and maintenance of sanitary systems, drainage, boilers and bathrooms; Heating: installation and maintenance of heating systems, including heat pumps, wood heating, oil and gas firing systems, as well as thermal solar systems; Air conditioning: planning, installation and maintenance of air conditioning systems, including comfort cooling, wine cooling, single-room cooling, office cooling and server cooling. The company also offers consulting services in these areas and carries out service deployments and maintenance work.

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Products & services

Industry:Plumbing & Building Services
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4.0/5

DR Haustechnik & Service GmbH

✓ Offered4
Plumbing systems
Advice, planning and installation of plumbing systems for conversions and new builds; drainage, descaling of boilers up to replacement, bathroom designs, bathroom fittings and all plumbing work.
Heating
Advice, planning, installation and service of heating systems; heat pumps, wood heating systems, oil and gas burners, solar thermal, boiler replacement, floor heating, radiators and repairs.
Air conditioning
Advice, planning and installation of air-conditioning systems; replacement units, wine cooling, single-room cooling, office cooling and server cooling for conversions and new builds.
Maintenance and service work
Maintenance work and service missions for heating, cooling and water systems; ongoing support for systems in new builds, conversions and renovations.
Trust & reputation

ranQ Trust Score of DR Haustechnik & Service GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

DR Haustechnik & Service GmbH scores 74.7 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.85.424%
  • 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.68.910%
  • 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.50.08%
DR Haustechnik & Service GmbH scores 61.5 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.50.012%
  • 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%
DR Haustechnik & Service 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%
DR Haustechnik & Service GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DR Haustechnik & Service GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 14 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 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Bächweidstrasse 7
8857 Vorderthal
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-374.545.736
Founded
2023 · 3 years
Last commercial register change
March 16, 2023
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.
88.0
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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