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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceDübendorfHT Haustechnik AG
HT Haustechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

HT Haustechnik AG is a building services company offering consulting, planning, installation and maintenance for sanitary, heating and ventilation systems. Services include renovations and new installations for bathrooms and kitchens, gas/water/sewage systems, water softening and a 24-hour emergency service.

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Offering

Products & services

Industry:Building MaintenancePlumbing & Building Services
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4.4/5

HT Haustechnik AG

✓ Offered5
Sanitary installations
Complete sanitary installations for new builds, renovations and maintenance; water and wastewater installations, gas installations, boiler replacement, descaling systems, bathroom renovation as well as service and repairs.
Heating
Heat pumps as well as gas, oil and pellet heating systems; advice, planning, installation, maintenance, replacement of the heating system and service for single-family homes, multi-family houses and commercial buildings.
Ventilation
Comfort ventilation systems for single-family and multi-family houses; advice, planning, installation and service with heat recovery, filtration and regular maintenance.
Bathroom renovation
Turnkey bathroom renovations with advice, planning, dismantling, sanitary installations, tiling work, furniture, painting work and final cleaning.
Service / Maintenance
Maintenance, service and repairs for sanitary and heating systems; assistance in case of water damage, leak detection, clearing blockages, boiler and heating service as well as a 24-hour on-call service.
Trust & reputation

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

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

HT Haustechnik AG scores 83.3 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.85.424%
  • 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.68.910%
  • 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.95.08%
HT Haustechnik AG scores 84.6 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.97.712%
  • 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.55.07%
HT Haustechnik 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%
HT Haustechnik AG scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HT Haustechnik 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 14 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 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Auenstrasse 10
8600 Dübendorf
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-289.363.020
Founded
2012 · 14 years
Last commercial register change
October 14, 2025
Employees
1 to 10
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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