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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkRoggwil TgHaustechnik Eugster AG
Haustechnik Eugster AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company Haustechnik Eugster primarily deals with the planning, installation and maintenance of building technology systems, particularly in the areas of: Water: installation and maintenance of drinking water systems, bathrooms and sanitary facilities; Energy: installation and maintenance of heating systems, solar systems and plumbing technology; Bathroom renovation and planning: planning and execution of bathroom renovations and refurbishments. The company also offers a 24-hour emergency service for urgent building technology problems.

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Products & services

Industry:Sheet Metal Work
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4.4/5

Haustechnik Eugster AG

✓ Offered6
Sanitary engineering
Planning and installation of the water supply from the reservoir to the consumer, safe drainage of foul and rainwater, pipework construction and 24-hour emergency service.
Bathroom renovation and planning
Consultancy, planning and execution of bathroom renovations, tailor-made bathroom design, CAD planning with 3D visualisation, cost control and showroom display for inspiration.
Heating engineering
Consulting, planning and modernisation of heating systems, solar thermal technology, heat pumps, wood heating and condensing heating technology, plus 24-hour emergency service.
Solar systems
Advisory, planning and installation of solar systems for domestic hot water generation and heating support, including customised solar solutions and a demonstration system.
Sheet metal work
Sheet metal work for roofs and façades, sheet metal cladding, gutters and downpipes, metal roofs, flat roof waterproofing, technical planning and lightning protection systems.
Quooker
Quooker tap for instant drinking, hot and sparkling water.
Trust & reputation

ranQ Trust Score of Haustechnik Eugster AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Haustechnik Eugster AG scores 87.4 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.82.024%
  • 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.88.08%
Haustechnik Eugster AG scores 81.1 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.70.212%
  • 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%
Haustechnik Eugster 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%
Haustechnik Eugster AG scores 59.3 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 35.88.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Haustechnik Eugster AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 57 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 57 reviews across all connected sources

Sources
GGoogle4.757
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 18, 2026Media
Neubau Haustechnik Eugster Forma Architekten AG
swiss-architects.com
April 4, 2024Media
Erfa-Gruppe Weinfelden besucht Haustechnik Eugster AG
leaderdigital.ch
January 18, 2023Media
Ist das die Schweizer Energie-Vorzeigefirma?
blick.ch
December 5, 2008Media
Nachfolge schon frühzeitig geregelt
tagblatt.ch

Knowledge

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Location

Im Pünt 1
9325 Roggwil Tg
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-143.249.117
Founded
2020 · 6 years
Last commercial register change
January 8, 2026
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.85.03%
    • Full methodology

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