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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsErlinsbachSchmid Haustechnik SHT AG
Schmid Haustechnik SHT AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schmid Haustechnik SHT AG is the planning, implementation, maintenance and renovation of building technology systems, particularly in the areas of heating, sanitation and ventilation. This includes the installation, conversion and renovation of heating systems, sanitary facilities, heat and ventilation systems, as well as consulting and planning of projects in these areas.

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Products & services

Industry:Solar & Photovoltaics
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Schmid Haustechnik SHT AG

Heating systems
Heating systems for new builds, conversions and renovations; consulting, installation and service for oil and gas heating systems, heat pumps, wood and pellet heating systems as well as solar thermal.
Sanitary engineering
Sanitary engineering for new builds, conversions and renovations; water softeners, rainwater systems, bathroom conversions, shower WCs, Quooker as well as water and wastewater installations.
Ventilation systems
Ventilation systems for residential and commercial buildings; exhaust systems for kitchens, bathrooms and WCs as well as comfort ventilation with heat recovery.
Building services planning
Building services planning for single- and multi-family houses, commercial and industrial properties; consulting, preliminary projects, concept development, tender documents, execution documents and energy performance certificates.
Service & maintenance
Service & maintenance for sanitary systems, heating and ventilation; troubleshooting, emergency service, water damage coordination, boiler descaling and periodic maintenance.
Trust & reputation

ranQ Trust Score of Schmid Haustechnik SHT AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Schmid Haustechnik SHT AG scores 83.2 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.80.824%
  • 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.93.210%
  • 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%
Schmid Haustechnik SHT AG scores 89.3 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.70.07%
Schmid Haustechnik SHT AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Schmid Haustechnik SHT AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schmid Haustechnik SHT 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 38 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
4.7
of 5

Aggregated from 38 reviews across all connected sources

Sources
GGoogle4.738
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Aarauerstrasse 14
5018 Erlinsbach
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.768.369
Founded
2010 · 16 years
Last commercial register change
October 5, 2018
Employees
11 to 20
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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