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

About the company

The core activity of LSB Haustechnik GmbH is the planning, installation, maintenance, and repair of building technology systems, particularly in the areas of: Sanitary facilities (new sanitary facilities, renovation of sanitary facilities, new bathrooms, renovation of bathrooms, optimization of water installations), heating systems (heating installation, maintenance of heating systems, repairs), boiler descaling, renovation and conversion of building technology systems, and maintenance and repair of building technology systems (24-hour service). The company thus offers comprehensive solutions for building technology to enable a comfortable and energy-efficient home.

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Products & services

Industry:Plumbing & Building Services
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4.2/5

LSB Haustechnik GmbH

✓ Offered6
Heating systems
Installation, modernisation, maintenance and repair of heating systems; gas heating, oil heating, heat pumps, pellet heating, underfloor heating as well as energy consulting and optimisation.
Sanitary installations
Planning, installation, modernisation and repair of sanitary installations; bathroom planning and installation, water and wastewater pipes, drainage systems as well as barrier-free bathrooms.
Repairs & service
Repairs and service for heating and sanitary installations; heating repairs, sanitary repairs, heating optimisation, sanitary modernisation and emergency service 24/7.
Maintenance
Regular maintenance of heating and sanitary installations; inspections, safety checks, efficiency optimisation, checks of pipes, fittings and water quality.
Boiler descaling
Boiler descaling and regular descaling of heating boilers; limescale protection, maintenance, performance improvement and prevention of energy losses.
Renovation & conversion
Renovation and conversion of heating and sanitary installations; heating modernisation, retrofitting underfloor heating, bathroom refurbishment as well as optimisation of water and wastewater systems.
Trust & reputation

ranQ Trust Score of LSB Haustechnik GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

LSB Haustechnik GmbH scores 91.7 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.88.624%
  • 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.92.510%
  • 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.100.08%
LSB Haustechnik GmbH scores 57.1 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.39.612%
  • 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%
LSB Haustechnik 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%
LSB Haustechnik GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LSB Haustechnik GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 37 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
4.9
of 5

Aggregated from 37 reviews across all connected sources

Sources
GGoogle4.937
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Neuweg 3
5303 Würenlingen
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-336.446.820
Founded
2024 · 2 years
Last commercial register change
June 25, 2024
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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