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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsErsigenKiener Haustechnik GmbH
Kiener Haustechnik GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Kiener Haustechnik GmbH is the planning, installation and maintenance of building technology systems, particularly in the areas of heating, sanitation and ventilation. The company also offers consulting services and maintenance work, and has a showroom for product presentation.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered7
Sanitary installations
Sanitary installations for new builds, conversions and renovations; bathrooms, appliances and fittings, descaling of boilers, clearing blocked drains, repairs and restoration of water damage.
Heating installations
Heating installations for new builds and renovations; boilers, radiators, underfloor heating, hot water boilers, fireplace, oil tank, expansion system as well as repairs and maintenance.
Solar systems
Thermal solar systems for domestic hot water or to support heating; advice on the optimum solution for the home and use of renewable energy resources.
Comfort ventilation
Comfort ventilation for optimal room climate in new builds and conversions; advice and installation as part of the building services.
Maintenance
Maintenance work in the sanitary, heating and ventilation sector; repairs, descaling, filter cartridges, drain cleaning, pipe inspection and water damage restoration.
GEAK consultations
GEAK consultations to assess the energy status of buildings; analysis of the building envelope and energy demand for existing buildings and new-build projects.
Technical showroom
Technical showroom with live-tested systems and components; fittings, solar storage tanks, heat pump, gas heating, washing machine and tumble dryer, radiators, shower/WC systems and water-softening units.
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4.1/5

Kiener Haustechnik GmbH

Trust & reputation

ranQ Trust Score of Kiener Haustechnik GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Kiener Haustechnik GmbH scores 70.1 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.76.124%
  • 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%
Kiener Haustechnik GmbH scores 83.0 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.55.07%
Kiener Haustechnik GmbH 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%
Kiener Haustechnik GmbH scores 18.6 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 35.37.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Kiener Haustechnik GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 8 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.88
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 25, 2022Media
"Budefest" an der Gewerbestrasse in Ersigen
dregion.ch

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Location

Gewerbestrasse 7
3423 Ersigen
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.381.684
Founded
2000 · 26 years
Last commercial register change
April 27, 2015
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.
88.0
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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