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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsVorderthalSuntherm AG
Suntherm AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Suntherm AG is the development, marketing and distribution of innovative energy systems, particularly heat pumps, heat pump boilers, photovoltaic systems and other solutions for efficient heating, cooling and hot water preparation. The company offers comprehensive consulting and individual overall solutions for customers to meet their needs and wishes in the field of renewable energy.

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Offering

Products & services

Industry:Solar & Photovoltaics
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Suntherm AG

✓ Offered6
Heat pumps
Heat pumps for heating, cooling and domestic hot water; air-water and brine-water systems, planning, installation, commissioning and ongoing support for new builds and renovations.
Photovoltaics
Photovoltaic systems for generating your own electricity; consultation, planning and installation, also in combination with heat pumps and optionally with a battery storage system.
Heat pump boiler
Heat pump boilers for efficient domestic hot water production; models for different household sizes, energy-saving, quiet and suitable for decentralised hot water supply.
Oil condensing boilers
Oil condensing boilers for efficient heating; use of exhaust gas heat, suitable for modernisation, renovation and hybrid solutions with solar or heat pumps.
Mobile heating unit
Mobile heating units for construction sites, renovations, building drying and heating failures; ready to use immediately, transportable and available in two output levels.
Brine-water heat pump (OVUM CUBIC)
Brine-water heat pump from OVUM for ground-source utilisation; modular performance, domestic hot water and passive cooling, for new builds and renovations.
Trust & reputation

ranQ Trust Score of Suntherm AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Suntherm 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.
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%
Suntherm AG scores 70.4 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.64.612%
  • 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%
Suntherm AG scores 83.3 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).83.322%
Suntherm AG scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Suntherm 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.

Knowledge

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Location

Niederwies 26
8857 Vorderthal

At a glance

Legal form
Corporation
UID
CHE-185.581.534
Founded
2021 · 5 years
Last commercial register change
March 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.
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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