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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLucerneHerzog Haustechnik AG Luzern
Herzog Haustechnik AG Luzern Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Herzog Haustechnik AG Luzern provides consultation, planning, installation, maintenance and repair of heating, ventilation, air conditioning and sanitary systems. The company works on new-build, renovation and commercial or industrial projects, offers energy‑optimization services and operates a 24/7 emergency (picket) service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered10
Building Services
Building services for new builds, conversions and renovations: planning, installation, maintenance and upkeep of heating, ventilation, air-conditioning and sanitary systems.
Sanitary Services
Sanitary solutions for residential, commercial and industrial buildings: sanitary installations, pipework adaptations, repairs, maintenance and upkeep.
Heating | Cooling
Heating and cooling solutions for new builds, conversions and renovations: heating systems, heating refurbishments, repairs, maintenance, replacement of heating systems and energy consulting.
Ventilation | Air Conditioning
Ventilation and air-conditioning systems for new builds, conversions and renovations: planning, installation, repair, maintenance, duct cleaning and air-conditioning units.
Repairs
Repairs of sanitary, heating, ventilation and air-conditioning systems, if required also outside usual business hours.
Service
Service for sanitary, heating and ventilation areas, including remote monitoring and a 24-hour on-call emergency service.
Maintenance/Upkeep
Maintenance and upkeep of ventilation, heating and sanitary installations, including a maintenance concept and duct cleaning of air ducts and pipework.
Renovation/Refurbishment
Conversion and refurbishment work for bathroom renovations, heating refurbishments, stack-pipe refurbishments, pipework adaptations, tenant fit-outs and shop conversions.
Energy Optimisation
Advice on replacement of heating systems, energy consulting/GEAK and renovation guidance for energy-efficient and sustainable building services.
New Builds/Conversions
Building services solutions for new builds and conversions in single-family, multi-family, residential, business, commercial, industrial and public buildings.
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4.4/5

Herzog Haustechnik AG Luzern

Trust & reputation

ranQ Trust Score of Herzog Haustechnik AG Luzern: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Herzog Haustechnik AG Luzern scores 79.0 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.69.024%
  • 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.95.710%
  • 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.88.08%
Herzog Haustechnik AG Luzern scores 92.3 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.82.07%
Herzog Haustechnik AG Luzern scores 86.7 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).86.722%
Herzog Haustechnik AG Luzern scores 45.7 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 35.71.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Herzog Haustechnik AG Luzern reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 42 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 42 reviews across all connected sources

Sources
GGoogle4.442
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 30, 2025Media
Herzog „montiert“ neu mit Fiat Professional
auto-wirtschaft.ch
February 28, 2023Media
Herzog Gebäudetechnik zieht von Littau nach Reussbühl
luzernerzeitung.ch
June 6, 2009Media
FAMILIENUNTERNEHMEN: Bei Herzog übernimmt ein Brüderpaar
luzernerzeitung.ch

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Location

Täschmattstrasse 10
6015 Lucerne
Opening hours
Mon
07:30 - 11:45, 13:15 - 17:00
Tue
07:30 - 11:45, 13:15 - 17:00
Wed
07:30 - 11:45, 13:15 - 17:00
Thu
07:30 - 11:45, 13:15 - 17:00
Fri
07:30 - 11:45, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.392.499
Founded
1967 · 59 years
Last commercial register change
October 14, 2024
Employees
21 to 50
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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