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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsGeroldswilEwatec GmbH
Ewatec GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Ewatec GmbH is the development and production of innovative installation components for geothermal systems, particularly in the field of ground heat and ground probe technology. This includes products such as ground probe distributors, filling stations, pumps, connection elements and frost protection agents. The company also offers consulting and service for ground heat systems and works closely with planners, architects, installers, wholesalers and manufacturers.

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Products & services

Industry:Specialized Construction Installations
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Ewatec GmbH

✓ Offered8
Ground heat probe manifold
Ground heat probe manifolds in various sizes for ground-source heat probe systems, supplied as sets with flow and return lines, matching connections and flow-rate controllers.
Distribution shafts
Distribution shafts in several designs, walk-in or vehicle-accessible, partly telescopic, and with different cover load ratings for ground heat systems.
Antifreeze
Antifreeze for heat pumps and geothermal systems, including Antitox GEO, as well as ready-mixed antifreeze in various containers and mixing ratios.
Antifreeze mixing & testing equipment
Mixing and testing equipment for antifreeze in the field of geothermal systems and heat pumps, as a separate product category in the range.
Filling stations and pumps
Filling stations and pumps for filling and handling system fluids in the field of ground heat and geothermal systems.
Connection fittings
Connection fittings for geothermal installations, as part of the range around ground heat probe systems.
Fixing set
Fixing sets as part of the range for mounting components in geothermal and ground heat systems.
EWA valve groups
Valve groups for ground heat probe systems, designed for installation technology in the primary section of geothermal systems.
Trust & reputation

ranQ Trust Score of Ewatec GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Ewatec GmbH 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.
x
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%
Ewatec GmbH scores 83.0 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.55.07%
Ewatec GmbH 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%
Ewatec GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ewatec GmbH 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

Grindlenstrasse 5
8954 Geroldswil
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-102.670.873
Founded
2004 · 22 years
Last commercial register change
March 18, 2026
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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