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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorBaselLWS Lützelschwab Wärmeservice GmbH
LWS Lützelschwab Wärmeservice GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company offers holistic solutions for sustainable energy supply, particularly in the areas of heating and climate protection. The core activities include: planning, installation and maintenance of sustainable heating systems such as heat pumps, wood chip and pellet heating systems; implementation of district heating connections; conversion of fossil fuel heating systems to environmentally friendly systems; consulting and planning of photovoltaic systems; and service and maintenance of heating systems and sanitary installations. The company focuses on providing sustainable and environmentally friendly solutions for climate protection and energy supply for private households and businesses.

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Offering

Products & services

Industry:Sustainability Sector
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3.9/5

LWS Lützelschwab Wärmeservice GmbH

✓ Offered9
Heat pumps
Air-to-water and ground-source borehole heat pumps, including planning, installation, commissioning, maintenance and integration into existing building services or photovoltaic systems.
District heating connections
Planning and installation of district heating connections as a climate-friendly alternative to oil and gas heating, including complete execution and integration into the building.
Pellet heating systems
Pellet heating systems for sustainable heating, with installation, maintenance and automatic operation based on wood pellets.
Log wood heating systems
Log wood heating systems for sustainable heating, with installation of complete systems and execution as a wood heating system for manual loading.
Air-conditioning systems
Installation and maintenance of Daikin air-conditioning systems, including site assessment, refrigerant connections, electrical connection, commissioning and service.
Water softening systems
Installation and maintenance of Grünbeck water softening systems for water treatment, including selection of the appropriate system size and service of existing systems.
Plumbing services
Plumbing installations, bathroom renovations, preparation of sanitary kitchen connections and repair of sanitary systems.
General contractor services
Complete planning and coordination for partners such as architects, electrical planners and electrical installers, so that projects are implemented from a single source.
Heating calculator / indicative quote
Non-binding personal indicative quote for heating projects via the heating calculator, as an entry point for planning sustainable heating systems.
Trust & reputation

ranQ Trust Score of LWS Lützelschwab Wärmeservice GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

LWS Lützelschwab Wärmeservice GmbH scores 64.4 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.57.124%
  • 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.63.210%
  • 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.88.08%
LWS Lützelschwab Wärmeservice GmbH scores 60.8 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.70.07%
LWS Lützelschwab Wärmeservice 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%
LWS Lützelschwab Wärmeservice GmbH scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LWS Lützelschwab Wärmeservice GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 11 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
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle411
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Auf dem Wolf 45
4052 Basel
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.452.278
Founded
2024 · 2 years
Last commercial register change
January 21, 2026
Employees
11 to 20
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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