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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesKriensE3 Zentralschweiz AG
E3 Zentralschweiz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of E3 Zentralschweiz AG is the planning, consulting and implementation of solutions for building technology, particularly for a comfortable indoor climate, including refrigeration and heating technology, as well as service and maintenance for long-term efficiency.

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Products & services

Industry:Plumbing & Building Services
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4.1/5

E3 Zentralschweiz AG

✓ Offered6
Heating systems
Heating systems for private customers and industry, commerce and public infrastructure; heat pumps, district heating, boilers and domestic hot water tanks, control and regulation, project planning and implementation.
Cooling systems
Cooling solutions for commercial premises, retail and industry; consulting, installation, maintenance, conversion, cooling distribution with chilled ceilings and TABS, as well as troubleshooting and on-call service.
Air conditioning systems
Air conditioning systems and air-conditioning units for residential, office, storage, server and production rooms; consulting, planning, installation, maintenance and 24-hour service.
Building automation
Building automation for HVAC systems (heating, ventilation, air conditioning, sanitation), room automation, management and control systems, as well as alarm signalling and alarm management; consulting, installation and maintenance.
Service and maintenance
Service, maintenance and upkeep for heating, cooling, air-conditioning and ventilation systems; system inspections, ventilation cleaning, fault rectification and support for automation and alarm systems.
Consulting and planning
Consulting and planning for efficient buildings; end-to-end solutions for new-build and refurbishment projects, coordination of all specialist partners, project planning and implementation, and energy consulting.
Trust & reputation

ranQ Trust Score of E3 Zentralschweiz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

E3 Zentralschweiz AG scores 73.9 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.81.624%
  • 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.58.610%
  • 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%
E3 Zentralschweiz AG scores 66.4 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.82.07%
E3 Zentralschweiz AG 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%
E3 Zentralschweiz AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

E3 Zentralschweiz AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 9 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schweighofstrasse 14
6010 Kriens

At a glance

Legal form
Corporation
UID
CHE-352.785.462
Founded
2024 · 2 years
Last commercial register change
January 5, 2026
Employees
21 to 50
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.
100.0
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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