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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryMünsingenCTA AG
CTA AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

CTA AG develops, manufactures, installs and services heat pumps, air-conditioning units and chillers for buildings and technical applications. The company serves private customers, professional partners and international partners, with a focus on energy-efficient and renewable system solutions.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered6
Heat Pumps
Heat pumps for single-family and multi-family homes, with outdoor or indoor setup, including air, geothermal probe and groundwater systems.
Chillers
Chillers for cold water production in air-conditioning, process and IT applications, also as part of integrated system solutions.
Air-Conditioning Units
Air-conditioning units for small to medium-sized projects and IT cooling for data centres, laboratories and telecom facilities.
Fan Coils
Fan coils as indoor units for cold-water connection to large heat pumps and chillers.
Service and Maintenance
Service contracts, periodic maintenance, repairs, warranty extension and regional customer service for installed heating and cooling systems.
Fault Repair Support
24-hour fault support with telephone reporting, web form and assistance with fault diagnosis and repair.
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4.1/5

CTA AG

Trust & reputation

ranQ Trust Score of CTA AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

CTA AG scores 56.8 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.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.35.08%
CTA AG scores 95.9 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.90.07%
CTA AG scores 86.7 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).86.722%
CTA AG 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

CTA 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. 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.

Press

Media

May 25, 2011Media
Seine Pumpen erobern die Schweiz
tagesanzeiger.ch

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Comparisons

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Location

Hunzigenstrasse 2
3110 Münsingen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.877.459
Founded
1990 · 36 years
Last commercial register change
April 7, 2026
Employees
51 to 100
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.85.03%
    • Full methodology

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