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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsOberdiessbachStalder Haustechnik AG
Stalder Haustechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stalder Haustechnik AG is the planning, installation, maintenance and repair of building technology systems, particularly in the areas of heating, plumbing, air conditioning/refrigeration, water treatment, water supply and gas. The company also offers a regular CHECK service, which includes periodic inspection and maintenance of these systems.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered5
Heating
Heat pumps, underfloor heating and radiators; consultation, planning, sales, installation, repairs, service, maintenance and servicing as well as grant applications for heating modernisation.
Plumbing
Sanitary installations for bathroom, kitchen and basement; bathroom conversions, renovations and refurbishments, taps and fittings, rain showers, descaling of boilers, repairs, service, maintenance and upkeep.
Water supply
Drinking water supply, Brunnenmeister services, monitoring and maintenance of the water supply network, pipeline construction, replacement of water meters, hydrant service and pool filling.
Air conditioning and ventilation systems
Split, monoblock and mobile air conditioners as well as ventilation systems for living spaces, offices, practices or wine cellars; consultation, planning, installation, repairs, service and maintenance.
Quooker
Sales, information and consultation, installation, maintenance and repairs of Quooker products for the kitchen; boiling, sparkling or chilled water from a single tap.
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4.2/5

Stalder Haustechnik AG

Trust & reputation

ranQ Trust Score of Stalder Haustechnik AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Stalder Haustechnik AG scores 71.4 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.78.324%
  • 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.55.910%
  • 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.70.08%
Stalder Haustechnik AG scores 79.8 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.86.512%
  • 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%
Stalder Haustechnik AG scores 83.3 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).83.322%
Stalder Haustechnik AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stalder Haustechnik AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 8 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
4.9
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.98
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schulhausstrasse 9
3672 Oberdiessbach
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-366.757.590
Founded
2016 · 10 years
Last commercial register change
September 8, 2026
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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