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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringAarau RohrElectrojoule AG
Electrojoule AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Electrojoule is the optimization and maintenance of heating systems to enable cost-effective and ecological operation. To this end, the company offers various services, including operation management 2.0, warranty acceptance 2.0, performance measurement 2.0, and consulting for property owners, engineering offices, and chimney sweeps. The company relies on digital solutions and monitoring systems to optimize heating systems and minimize costs.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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Electrojoule AG

✓ Offered5
Operations Management 2.0
Annual subscription for heating systems with logger, 24/365 data collection, fault notifications, online analysis, coordination of all services and optimization of operation, costs and service life.
Warranty Acceptance 2.0
Warranty acceptance for new or renovated heating systems with four-week online diagnostics, check of installation and documents, setting optimization and acceptance report.
Performance Measurement 2.0
Digital planning tool for heating replacement with real-time data, online visualization, sensor measurements and evaluation via web app for planning and engineering offices.
Digital Heating System Monitoring
Monitoring and diagnostic solutions for heat pumps, oil, gas, district heating, solar and pellet heating systems with sensors, logger and real-time evaluation.
Advisory and Support for Chimney Sweeps
Support with a digital cockpit, real-time evaluations and operations management 2.0 to strengthen advice on heating and to relieve the burden in everyday life.
Trust & reputation

ranQ Trust Score of Electrojoule AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Electrojoule AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Electrojoule AG scores 82.0 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.83.012%
  • 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.70.07%
Electrojoule AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Electrojoule AG scores 42.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Electrojoule AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Hauptstrasse 60
5032 Aarau Rohr

At a glance

Legal form
Corporation
UID
CHE-399.429.684
Founded
2017 · 9 years
Last commercial register change
July 13, 2023
Employees
11 to 20
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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