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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringFreienbachHAT-Tech AG
HAT-Tech AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

HAT-Tech AG provides the HAT-System and pipe milling services for internal rehabilitation of underfloor heating systems. The HAT-System combines internal cleaning and a seamless interior coating to restore diffusion-tightness of heating pipes (DIN 4726) and to enable renovation without major demolition.

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Products & services

Industry:Technical Consulting & Engineering
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4.8/5

HAT-Tech AG

✓ Offered5
Renovating floor heating
Renovate floor heating systems from inside with the HAT system: clean, dry and apply a coating; on-site condition analysis, diffusion-tight execution according to DIN 4726, without breaking up floors or walls.
Renovating drinking water pipes
Renovate drinking water pipes from inside with ANROSAN; on-site condition analysis, cement coating without epoxy resin, protection against corrosion and leaks, work in occupied buildings.
Polishing floor heating
Clean and finely polish multi-layer composite pipes of floor heating systems; remove deposits, improve heat distribution and, if necessary, carry out a preventive condition analysis.
Optimizing floor heating manifolds
Energetically optimize heating manifolds, expand them and control them intelligently; fixed-value control stations, remote control, actuators, room thermostats and smart home integration.
Grooving floor heating
Groove floor heating into existing floors afterwards; mill a groove pattern, lay multi-layer composite pipes, without a buildup layer, also possible in dry construction elements.
Trust & reputation

ranQ Trust Score of HAT-Tech AG: 4.8 out of 5.0

Trust Score4.8/ 5.0

Excellent

x

Data basis 96% · As of October 2026

HAT-Tech AG scores 99.8 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.99.624%
  • 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.100.010%
  • 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.100.08%
HAT-Tech 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%
HAT-Tech 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%
HAT-Tech AG scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HAT-Tech AG reaches a ranQ Trust Score of 4.8 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 803 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 803 reviews across all connected sources

Sources
GGoogle5803
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Wolleraustrasse 15n
8807 Freienbach
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.543.131
Founded
1985 · 41 years
Last commercial register change
November 10, 2023
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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