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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsThunarnaldi energie wasser ag
arnaldi energie wasser ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

arnaldi energie wasser ag is a building services company providing consulting, planning, installation and maintenance for heating, plumbing/sanitary, ventilation and photovoltaic systems. The firm supports project conception, modernization and service work, and offers assistance with permits and funding where needed.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered5
Photovoltaics / Solar
Photovoltaic systems, in-roof and roof-mounted systems, solar thermal and storage systems, advice on optimising self-consumption, roof inspection as well as preliminary and adaptation work for the roof structure.
Heating
Advice, planning, installation and service for heating systems, in particular heat pumps using air, water and ground energy, as well as heating systems with oil, gas, wood and pellets.
Plumbing
Planning, advice, installation and service for bathrooms, showers and wellness facilities, water softening and filtration systems, barrier-free bathrooms, as well as water supply and floor piping.
Ventilation
Comfortable home ventilation, single-room ventilation, supply and extract air systems, room-climate controls, as well as planning, advice, implementation, filter changes and spare parts.
Consulting on the spot (Impulsberatung)
On-site consultation for replacing the heating system and switching to renewable heating, including building inspection, discussion of possible heating systems, a checklist and a heating cost calculator.
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4.3/5

arnaldi energie wasser ag

Trust & reputation

ranQ Trust Score of arnaldi energie wasser ag: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

arnaldi energie wasser ag scores 76.5 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.82.524%
  • 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.61.010%
  • 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%
arnaldi energie wasser ag scores 85.5 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.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.55.07%
arnaldi energie wasser ag scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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).83.322%
arnaldi energie wasser 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

arnaldi energie wasser ag reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 10 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Allmendingenstrasse 24
3608 Thun
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
Corporation
UID
CHE-106.501.092
Founded
1995 · 31 years
Last commercial register change
February 27, 2026
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.
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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