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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesHeating installerViltersELCOTHERM AG
ELCOTHERM AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

ELCOTHERM AG distributes and maintains heating systems. Its range includes heat pumps, oil and gas heating systems, burners, hot-water storage tanks and solar thermal systems; the company also provides heating advice and service.

AI-generated
Offering

Products & services

Industry:Heating installer
✓ Offered12
Heat pumps
Heat pumps for renovation and new builds, as air-to-water, brine-to-water and water-to-water systems; several AEROTOP and AQUATOP models for different buildings and performance ranges.
Gas heating systems
Gas condensing boilers for new builds and renovation, as wall-mounted and floor-standing units with different performance ranges; including THISION and TRIGON models.
Oil heating systems
Oil condensing boilers for clean and reliable heat generation; various STRATON models for upgrading heating systems.
Storage tanks
Hot water, buffer and combination storage tanks for heating systems; VISTRON models as well as domestic hot water stations with different volumes and applications.
Solar thermal energy
Solar collectors for heat generation with AURON 2 and SOLATRON M 2.3; as vacuum tube or flat collectors for flexible installation and high energy yield.
Burners
Oil and gas burners for heating systems; VECTRON, EK EVO and other burner models with clean combustion and different performance ranges.
Maintenance contracts
Regular maintenance of heating systems including checking important settings, replacing wear parts and optimizing the system; on request with renovation recommendations.
Individual maintenance
Maintenance and fault rectification without a maintenance contract; inspection of the system, optimization of settings and information on the next steps.
Boiler cleaning
Regular cleaning and descaling of domestic hot water storage tanks so that the system runs properly and uses less energy.
Request for commissioning
Service for requesting the commissioning of the heating system, listed as a separately bookable service item in the service offering.
REMOCON® NET
App for remote control of the heating system with settings via smartphone, remote diagnosis, fault notifications and a monthly report on energy consumption.
REMOCON® NET Care
Remote maintenance service with telephone support, system optimization and preventive maintenance visits for REMOCON® NET users.
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3.9/5

ELCOTHERM AG

Trust & reputation

ranQ Trust Score of ELCOTHERM AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of November 2026

ELCOTHERM AG scores 41.8 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.15.224%
  • 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.63.210%
  • 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.95.08%
ELCOTHERM AG scores 97.0 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.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.90.07%
ELCOTHERM AG scores 86.7 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).86.722%
ELCOTHERM AG scores 71.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.43.34%
Qualifications+0.00

ELCOTHERM AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 2.4 out of 5 stars from 11 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
2.4
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle2.411
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 30, 2021Media
Agentur am Flughafen: Früher war nicht alles besser
persoenlich.com
March 3, 2020Media
Agentur am Flughafen: Die Marke Elco «hygge» gemacht
persoenlich.com
September 5, 2019Media
Streit um Servicevertrag - Teurer Heizungsservice ohne Heizung
srf.ch
July 19, 2011Media
Elco expandiert in die Romandie
tagblatt.ch

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Location

Sarganserstrasse 100
7324 Vilters
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.097.491
Founded
1996 · 30 years
Last commercial register change
October 17, 2025
Employees
51 to 100
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.95.03%
    • Full methodology

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