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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHunzenschwilHofmann Haustechnik GmbH Heizungen Sanitär
Hofmann Haustechnik GmbH Heizungen Sanitär Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hofmann Haustechnik GmbH is the planning, installation and maintenance of heating and sanitary systems, including the provision of solutions for heat pumps, oil and gas heating, wood pellets, firewood, water softening, decalcification and sanitary facilities such as showers and toilet systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered10
Heating systems
Installation of oil and gas heating systems, heat pumps, solar and pellet systems, as well as underfloor heating and radiator systems, including heating renovations, repair service and boiler replacements.
Sanitary installations
Water, gas, wastewater and rainwater installations, domestic hot water preparation, water softening and wastewater pumping systems, as well as sanitary renovations, repair service and boiler descaling.
Heat pumps
Air-to-water heat pumps from Mitsubishi Ecodan, Striega-Therm and Stiebel Eltron, also in split configuration, for new builds and modernization.
Oil heating systems
Oil-fired stand-alone condensing boilers and other condensing oil heating boilers for new builds and renovations, with a modulating burner and condensing technology.
Gas heating systems
Gas condensing boilers as wall-mounted heating units with modulating output, lower energy consumption and integrated controls.
Pellet heating systems
Fully automatic pellet heating systems with demand-based power adjustment for efficient heating with wood pellets.
Firewood heating systems
Underfire boilers for firewood with different output sizes, loading capacities and feed variants, designed for high fuel utilization.
Water softening
Water softeners for single-family and multi-family houses to protect against limescale build-up in hot water systems, boilers, heating systems and fittings.
Boiler descaling
Regular descaling and maintenance of water heaters, mechanically or chemically, including inspection of limescale deposits and the magnesium protection anode.
Shower toilet
Geberit AquaClean shower toilets, WC attachments and models with water cleaning, warm-air drying, seat heating, odour extraction and user profiles.
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4.1/5

Hofmann Haustechnik GmbH Heizungen Sanitär

Trust & reputation

ranQ Trust Score of Hofmann Haustechnik GmbH Heizungen Sanitär: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Hofmann Haustechnik GmbH Heizungen Sanitär scores 69.2 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.74.424%
  • 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.49.510%
  • 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%
Hofmann Haustechnik GmbH Heizungen Sanitär scores 86.7 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%
Hofmann Haustechnik GmbH Heizungen Sanitär 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%
Hofmann Haustechnik GmbH Heizungen Sanitär scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hofmann Haustechnik GmbH Heizungen Sanitär 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 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Mizeligasse 3
5502 Hunzenschwil

At a glance

Legal form
Limited Liability Company
UID
CHE-110.108.562
Founded
2003 · 23 years
Last commercial register change
September 1, 2016
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.88.06%
  • 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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