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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesAir conditioningMöhlinR. Häsler AG
R. Häsler AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

R. Häsler AG plans, installs and maintains heating, ventilation and air-conditioning systems. It also carries out system renovations and provides renewable energy solutions, including photovoltaics and solar thermal systems.

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Service area

Offering

Products & services

Industry:Air conditioningHeating installer
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R. Häsler AG

Photovoltaics
✓ Offered12
Photovoltaics
Photovoltaic systems for grid-connected and off-grid installations, with self-consumption, feed-in of surplus electricity, energy storage, and possible integration of a charging station.
Heat pump
Heat pump heating systems for air, water, ground and groundwater, for heating buildings and reducing operating costs.
Wood heating
Wood heating systems with pellet heating, wood chip heating and log boiler heating, for renewable heat with natural fuels.
Air conditioning system
Consulting, installation and service of air conditioning systems for homes and offices, including professional installation by in-house HVAC technicians.
Ventilation
Comfort ventilation and industrial ventilation for fresh indoor air, controlled air exchange and suitable indoor climate solutions for residential and commercial areas.
Heating system renovation
Renovation of heating systems based on location, building condition, construction year and insulation standard, including assessment of relevant factors before the decision.
Ventilation system renovation
Renovation of ventilation systems with planning and installation for different sectors, tailored to people, businesses, the environment and the budget.
Heating service
Service, maintenance and inspection for heating systems, including heating service, cleaning and support also outside normal working hours.
Boiler descaling
Cleaning, maintenance and descaling of boilers and domestic hot water heaters for better heat transfer and energy savings.
Inspection and service contract
Periodic inspections including condition assessment of the system and proposals for optimization as part of a service contract.
Solar thermal
Solar thermal systems to use solar energy for domestic hot water or heat, as part of renewable energy.
District heating
Connection to and use of district heating from waste heat, waste incineration, wood chip combustion or industrial plants.
Trust & reputation

ranQ Trust Score of R. Häsler AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of November 2026

R. Häsler AG scores 60.7 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.60.924%
  • 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.52.910%
  • 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%
R. Häsler AG scores 95.8 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.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.96.07%
R. Häsler AG scores 88.3 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).88.322%
R. Häsler AG scores 60.2 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 35.97.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

R. Häsler AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 7 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.17
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 1, 2026Media
Diese Firma zahlt Lehrlingen deutlich mehr Geld
20min.ch
July 1, 2026Media
Möhliner Firma zahlt Lehrlingen bis zuu doppelten Lohn
aargauerzeitung.ch

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Location

Bahnhofstrasse 15
4313 Möhlin

At a glance

Legal form
Corporation
UID
CHE-366.958.208
Founded
2011 · 15 years
Last commercial register change
April 2, 2025
Employees
101 to 500

Active in 3 of 26 cantons

  • Northwestern Switzerland
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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