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

About the company

Heim AG Heizsysteme develops, manufactures and services heating systems that use renewable energy. Its products include heat pumps, wood-fired heating systems, combined heat and power units, energy storage and energy management systems; it also provides consulting, planning, installation and maintenance.

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Service area

Offering

Products & services

Industry:Heating installerEnergy technology
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4.1/5

Heim AG Heizsysteme

✓ Offered5
Heat pumps
Heat pumps for single-family homes, multi-family buildings, industry and commercial use; air-to-water and brine-to-water heat pumps, heat pump boilers and cooling and air-conditioning systems.
Wood energy
Wood-fired heating systems and complete wood energy solutions with fuel logistics, fuel storage, residual material logistics, flue gas after-treatment, as well as CHP plants and warm-air generators.
Services
Advisory, planning, production, development as well as execution and installation; in addition operation and maintenance over the entire service life of the plant.
Energy management (Heim Manager)
Energy management system with an app and web platform for networking a PV system, heat pump, battery, charging station and other consumers; optimization of self-consumption, power flow and costs.
Customer service
Service services, hotline, immediate assistance and summer checks for heat generators and heating systems throughout the plant’s entire service life.
Trust & reputation

ranQ Trust Score of Heim AG Heizsysteme: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

Heim AG Heizsysteme scores 63.5 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.73.124%
  • 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.35.310%
  • 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.70.08%
Heim AG Heizsysteme scores 89.1 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.92.512%
  • 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.82.07%
Heim AG Heizsysteme scores 88.3 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).88.322%
Heim AG Heizsysteme scores 55.0 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.10.04%
Qualifications+0.00

Heim AG Heizsysteme reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 9, 2022Media
Die Heim AG entwickelt eine Wärmepumpe die Klimaschonend ist.
thurgauerzeitung.ch

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Location

Wittenwilerstrasse 31
8355 Aadorf

At a glance

Legal form
Corporation
UID
CHE-284.404.580
Founded
2014 · 12 years
Last commercial register change
March 28, 2025
Employees
21 to 50
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

    Active in 5 of 26 cantons · 6 municipalities

    • TGAadorf
    • GRBregaglia
    • GRChurwalden
    • FRDüdingen
    • BEJegenstorf
    • SGOberbüren

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