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

About the company

The core activity of Giger Wärmetechnik is the planning, installation, maintenance and revision of heating systems for residential and commercial buildings, including the provision of solutions for the efficient and sustainable use of energy sources such as oil, gas, pellets, firewood, solar and heat pump systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Maintenance and inspections of heating systems
Annual maintenance, inspections and upkeep of heating systems for residential buildings and commercial premises to ensure operational reliability, optimal energy consumption and low pollutant levels.
Heating consultation and system optimisation
Consulting for residential buildings and commercial premises on new and alternative heating systems, radiators, remote control and on a sustainable optimisation of fuel consumption.
Burner replacement
Replacement of burners to improve efficiency and enable more sustainable use of fuel in existing heating systems.
Heating systems and heat generators
Oil-/gas-fired boilers, heat pumps, pellet, wood log and wood-chip boilers, solar systems, combination tanks, buffer tanks and radiators for residential buildings and commercial premises.
Control devices for heating systems
Control devices for convenient operation and monitoring of heating systems, also remotely.
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3.8/5

Ruedi Giger Wärmetechnik

Trust & reputation

ranQ Trust Score of Ruedi Giger Wärmetechnik: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Ruedi Giger Wärmetechnik scores 53.1 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.61.524%
  • 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.35.310%
  • 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.50.08%
Ruedi Giger Wärmetechnik scores 78.5 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%
Ruedi Giger Wärmetechnik scores 85.0 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).85.022%
Ruedi Giger Wärmetechnik 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

Ruedi Giger Wärmetechnik reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle43
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hinter den Gärten 8
4226 Breitenbach
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Sole proprietorship
UID
CHE-107.789.636
Founded
1996 · 30 years
Last commercial register change
April 22, 2016
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.
67.0
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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