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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesMontlingenRM Rohner Haustechnik AG
RM Rohner Haustechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

RM Rohner Haustechnik AG is a building services company providing heating and sanitary solutions. It plans, installs and maintains heat pumps, oil, gas and wood heating systems, carries out bathroom installations and renovations, and offers maintenance services such as boiler descaling, underfloor heating flushing and burner/gas-appliance service.

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Products & services

Industry:Plumbing & Building Services
✓ Offered4
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RM Rohner Haustechnik AG

Heating planning, installation and maintenance
Planning, installation and maintenance of heat pumps, oil, gas and wood heating systems; including consultation for individual heating solutions.
Sanitary planning, installation and bathroom remodelling
Planning and installation of sanitary systems for new builds and conversions; bathroom remodels with showers, bathtubs, washbasins, toilets, taps and accessories.
Heating service
Flushing of underfloor heating, oil burner service, gas appliance service, and maintenance contracts for oil and gas heating systems.
Water treatment and boiler maintenance
Installation of water softening systems as well as descaling of boilers as part of sanitary services.
Trust & reputation

ranQ Trust Score of RM Rohner Haustechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

RM Rohner Haustechnik AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
RM Rohner Haustechnik AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
RM Rohner 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.
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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).83.322%
RM Rohner Haustechnik AG scores 8.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

RM Rohner Haustechnik AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Kanalstrasse 11
9462 Montlingen

At a glance

Legal form
Corporation
UID
CHE-111.724.077
Founded
2004 · 22 years
Last commercial register change
January 26, 2023
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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