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DirectoryCrafts & TradesPlumbing & Building ServicesLaufenburgHierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz)
Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz) Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Hierholzer Energiespartechnik GmbH is the planning, consulting, installation and maintenance of energy technology systems, particularly in the areas of heating, plumbing, climate control, energy and oven construction.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered6
Heating
Heating systems for private houses and commercial buildings, including condensing boilers, wood heating systems, heat pumps, combined heat and power units, flue gas systems, as well as radiators and heating surfaces.
Sanitary installations
Complete sanitary areas from planning to installation, including bathtubs, showers, fittings, shower systems, WCs, water softening systems and rainwater use.
Ventilation systems
Ventilation systems for living spaces with fresh air, pollen filtering, mold prevention and heat recovery from the exhaust air.
Solar technology
Solar installations for heat or power, with solar thermal and photovoltaics, including flat or vacuum tube collectors, solar cells, hot water storage and grid feed-in.
Stove construction
Tiled stoves, soapstone stoves, stove fireplaces and open fireplaces for living rooms, including heat-storing stoves and heated reclining surfaces.
Service, maintenance and repairs
Consulting, inventory analysis, needs planning, quotation preparation, funding consulting, application support, as well as maintenance, repair, conversion and expansion of existing systems.
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4.1/5

Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz)

Trust & reputation

ranQ Trust Score of Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz): 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.

Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz) 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%
Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz) scores 83.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz) 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%
Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz) scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hierholzer Energiespartechnik Handels-GmbH und Co.KG, Laufenburg/Baden (DE), Zweigniederlassung Laufenburg (Schweiz) 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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Comparisons

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Location

Untere Wasengasse 68
5080 Laufenburg

At a glance

Legal form
Foreign branch
UID
CHE-112.844.092
Founded
2006 · 20 years
Last commercial register change
August 23, 2012
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.73.06%
  • 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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