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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentChurTEM AG
TEM AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the TEM Group company encompasses the development, manufacture and distribution of control and regulation technology, particularly for heating, climate and ventilation systems as well as building automation. This also includes the areas of electronics, hardware and software for control, drive and control systems.

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Offering

Products & services

Industry:Research & DevelopmentElectrical Industry
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TEM AG

Manufacture of IT Hardware
✓ Offered12
Building automation
Control, regulation, optimisation and monitoring of the climatic conditions in buildings; solutions for heating, air-conditioning and ventilation systems as well as smart-building applications.
TEM control engineering
Control and regulation technology for heating, air conditioning and ventilation; solar controllers, system controllers, heat pump controllers, biomass controllers, heating controllers and domestic hot water controllers.
myTEM Smart Home
Room automation for heating, cooling, ventilation, lighting and shading; smart-home solutions for networked building technology and comfort-oriented control.
Electronic Manufacturing Service (EMS)
Contract manufacturing of electronics with electronics design and production, as well as support with production and product relocations and the takeover of existing productions.
SMD assembly
Manufacturing on SMD assembly lines with screen printing, placement machines, reflow ovens and functional testing.
THT assembly
Manual completion of assemblies with through-hole components when technical or economic reasons rule out SMD.
Assembly of subassemblies
Assembly and testing of subassemblies and finished devices with inline test and repair stations, followed by quality assurance.
Testing
Functional tests and production-assigned test processes to ensure process quality and to assess when testing is required.
Logistics support
Supplier evaluation, sourcing/procurement, warehousing, provision, clarification of replacement components, export and Kanban and JIT deliveries.
After-sales service
Testing and repair of failed devices and subassemblies, as well as reports on the cause of failure and failure statistics.
OEM competence
Tailor-made control engineering solutions and systems for original equipment manufacturers; development and production as part of a complete offering.
Renewable energy
Products for heat pumps, thermal solar systems as well as wood and pellet heating systems.
Trust & reputation

ranQ Trust Score of TEM AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

TEM AG scores 72.8 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.79.424%
  • 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.52.910%
  • 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.78.08%
TEM AG scores 95.8 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.96.07%
TEM 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%
TEM AG scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TEM AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Triststrasse 8
7000 Chur
Opening hours
Mon
08:30 - 11:30, 13:30 - 16:30
Tue
08:30 - 11:30, 13:30 - 16:30
Wed
08:30 - 11:30, 13:30 - 16:30
Thu
08:30 - 11:30, 13:30 - 16:30
Fri
08:30 - 11:30, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.948.999
Founded
1971 · 55 years
Last commercial register change
June 27, 2025
Employees
101 to 500
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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