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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesCoffraneCHRISTEN CHAUFFAGE SANITAIRE Sàrl
CHRISTEN CHAUFFAGE SANITAIRE Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of CHRISTEN CHAUFFAGE SANITAIRE Sàrl consists of planning, installing and maintaining heating systems, renewable thermal energy systems and sanitary facilities. This includes in particular the installation and maintenance of heat pumps, solar thermal systems and gas systems, as well as the performance of inspections and repairs on existing systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered9
Heating
Floor heating, radiators and convectors, hydraulic balancing, regulation and zoning programming, maintenance, adjustment and replacement of distribution equipment.
Heat pumps
Installation of air/water, ground/water and water/water heat pumps, sizing study, hydraulic connection, commissioning and parameter setting, with PAC system-module GSP certification.
Thermal solar
Design and installation of thermal solar collectors for domestic hot water and heating assist, connection to the buffer tank, solar control and integration into existing systems.
Sanitary installations
Installation, maintenance and renovation of bathrooms, kitchens and WCs, copper, multilayer and PVC pipework, fittings and taps, water heaters, bathtubs, showers, washbasins, water connections and drains.
Natural gas
Execution, modification, extension and maintenance of domestic gas installations, leak tightness testing, bringing systems into compliance, acceptance and recommissioning after shutdown.
Maintenance & servicing
Control and adjustment of heating installations, temperature measurements, balancing the system based on actual readings, optimization of control and programming, and an intervention report.
Heating breakdown service
Service interventions for heat production failures, loss of pressure, cold radiators, abnormal noises, control faults, bleeding and rebalancing of the system.
Sanitary breakdown service
Repair of leaks on pipework, defective taps or mixer valves, malfunctioning cisterns and WCs, water heaters with faults, locating leaks and replacing equipment.
Drain unblocking
Unblocking of sinks, washbasins, showers, WCs and the main drain line, cleaning of the siphon, treatment of slow-draining or backing-up outlets, and inspection of the waste stack.
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3.9/5

CHRISTEN CHAUFFAGE SANITAIRE Sàrl

Trust & reputation

ranQ Trust Score of CHRISTEN CHAUFFAGE SANITAIRE Sàrl: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

CHRISTEN CHAUFFAGE SANITAIRE Sàrl scores 60.5 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.72.124%
  • 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.40.910%
  • 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%
CHRISTEN CHAUFFAGE SANITAIRE Sàrl scores 80.9 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.95.212%
  • 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%
CHRISTEN CHAUFFAGE SANITAIRE Sàrl 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%
CHRISTEN CHAUFFAGE SANITAIRE Sàrl scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CHRISTEN CHAUFFAGE SANITAIRE Sàrl reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue de l'Abrévieux 16b
2207 Coffrane

At a glance

Legal form
Limited Liability Company
UID
CHE-373.643.856
Founded
2013 · 13 years
Last commercial register change
August 12, 2013
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.88.06%
  • 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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