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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsBaldeggEiholzer AG
Eiholzer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the planning, installation, maintenance and repair of heating, ventilation, air conditioning and sanitary systems, as well as the execution of renovation and modernization work in these areas.

AI-generated
Offering

Products & services

Industry:Solar & PhotovoltaicsFacility Management & Cleaning
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Eiholzer AG

✓ Offered8
Heating
Heating systems for new construction, alterations, extensions, expansions and refurbishment; consulting, planning, installation and maintenance of heat pumps and solar, wood, gas and oil heating systems.
Plumbing
Plumbing installations for new builds and alterations, bathroom conversions, hot-water and water treatment, shower toilets, rainwater use and natural gas installations.
Ventilation
Residential ventilation systems, exhaust-air units, heat recovery, basement ventilation as well as ventilation systems for commercial buildings and hospitality businesses, including consulting, planning, installation and maintenance.
Air conditioning
Cooling systems and air-conditioning units for living and working spaces; consulting, planning, installation as well as retrofitting with absorption chillers, split units, freecooling and reversible heat pumps.
Alterations & refurbishment
Conversions and refurbishments in buildings, especially for bathrooms and heating; refurbishment concepts, modernization of existing buildings and additional construction works.
Customer service
24/7 customer service for requests, maintenance and repair work as well as emergencies in the building; available 365 days a year, 24/7.
Consulting & planning
Consulting and planning for heating, ventilation, air-conditioning and plumbing projects; project development, refurbishment concepts, energy and cost optimizations.
Burner service
Maintenance and adjustment of burners for optimal combustion and good emission values.
Trust & reputation

ranQ Trust Score of Eiholzer AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Eiholzer AG scores 63.8 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.65.024%
  • 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.49.510%
  • 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.78.08%
Eiholzer AG scores 90.9 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.70.07%
Eiholzer 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%
Eiholzer AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eiholzer AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Ferrenmatt 14
6283 Baldegg
Opening hours
Mon
07:15 - 12:00, 13:00 - 16:45
Tue
07:15 - 12:00, 13:00 - 16:45
Wed
07:15 - 12:00, 13:00 - 16:45
Thu
07:15 - 12:00, 13:00 - 16:45
Fri
07:15 - 12:00, 13:00 - 16:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.891.904
Founded
1983 · 43 years
Last commercial register change
September 29, 2021
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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