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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSt. GallenHeim Kälte AG
Heim Kälte AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Heim Kälte AG provides planning, installation and maintenance services for renewable energy and building systems, with a focus on heat pumps, cooling and climate systems, wood-fired systems and energy management. The range also includes solar solutions such as photovoltaic panels, inverters, battery storage and system integration.

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Products & services

Industry:Plumbing & Building Services
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Heim Kälte AG

✓ Offered10
Heat pumps
Heat pumps for single-family homes, multi-family buildings, industry and commercial applications; air-to-water heat pumps, brine-to-water heat pumps, heat pump boilers as well as cooling and air-conditioning systems.
Wood energy
Wood-fired heating systems, fuel logistics, residue logistics and flue-gas aftertreatment as turnkey solutions for heat and power generation using wood and biomass.
Large heat pumps and energy centres
Large heat pumps for large residential and commercial buildings as well as energy centres with large heat pumps, combined heat and power units (CHP), solar systems and storage systems.
Solar systems
Photovoltaic systems with inverters, battery storage, EV charging stations and grid interconnection; consulting, planning, installation and service for residential properties, businesses and industrial facilities.
Energy management
Energy management systems for efficient and sustainable use of energy, including the Heim-Manager and support to maximize self-consumption.
Consulting
Consulting for renewable energy solutions from the first idea through project development to selecting the right system and providing information on funding opportunities.
Planning
Planning of heating systems and solar installations including clarifications, registration with the authorities and system design tailored to the project.
Execution & installation
Execution, professional installation and commissioning of heating systems, heat pumps and photovoltaic systems up to handover.
Production
Production of our own plants and systems manufactured in Switzerland, with custom development and manufacturing according to project requirements.
Operation & maintenance
Operation, maintenance and upkeep of the systems over their entire service life, supplemented by a service hotline, immediate support and service services.
Trust & reputation

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

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Heim Kälte AG 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 Kälte AG scores 78.6 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.75.012%
  • 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%
Heim Kälte AG 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%
Heim Kälte AG scores 100.0 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Heim Kälte AG 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. The data basis is 96%, 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.

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.

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Location

Gartenstrasse 8
9004 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-391.569.809
Founded
2019 · 7 years
Last commercial register change
February 2, 2026
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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