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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesVillaz-St-PierreEffitherm Sàrl
Effitherm Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Effitherm is the planning, installation, maintenance and optimization of heating systems, particularly with renewable energies such as geothermal, aerothermal and wood pellets. The company also offers services such as the renovation of old heating systems, the installation of global heating systems, maintenance, cleaning and adjustment of heating systems, as well as water treatment and the production of hot water.

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Products & services

Industry:Plumbing & Building Services
✓ Offered5
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4.2/5

Effitherm Sàrl

Comprehensive heating installation
Planning and installation of heating systems for renovations or new builds, with heat pumps, wood/pellet boilers or connection to district heating, plus tailored heat distribution.
Replacement of old heating
Replacement of old heating systems with renewable solutions, including advice, study, coordination, execution, commissioning, maintenance and administrative formalities.
Maintenance, cleaning and adjustment service
Maintenance of heating installations, cleaning and flushing of the circuits, descaling of boilers, hot-water heaters and heating boilers, optimisation of settings and support for users.
Water treatment and hot-water production
Installation of water softeners and thermodynamic hot-water heaters to reduce limescale, improve comfort and produce hot water with lower electricity consumption.
Energy monitoring and energy audit
Technical audit, measurement monitoring and energy optimisation of the installations, with analysis of sources of waste, performance tracking and adjustments of settings.
Trust & reputation

ranQ Trust Score of Effitherm Sàrl: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Effitherm Sàrl scores 88.3 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.90.324%
  • 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.83.810%
  • 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%
Effitherm Sàrl scores 65.0 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.58.012%
  • 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%
Effitherm Sàrl 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%
Effitherm Sàrl scores 10.6 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 35.10.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Effitherm Sàrl reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 26 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 26 reviews across all connected sources

Sources
GGoogle526
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route de la Gare 27
1690 Villaz-St-Pierre
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-302.003.850
Founded
2022 · 4 years
Last commercial register change
June 25, 2025
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.
88.0
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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