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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesMachine repairSaxonROMAN SA, pompes à chaleur
ROMAN SA, pompes à chaleur Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ROMAN SA, pompes à chaleur specialises in heat pumps and renewable energy systems. It supplies equipment to appointed installers and handles commissioning, maintenance and repairs; its products also include solar thermal systems and water heaters.

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Service area

Offering

Products & services

Industry:Machine repairMachinery dealer
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ROMAN SA, pompes à chaleur

✓ Offered7
Heat pumps
Air-to-water, ground-to-water and water-to-water heat pumps and heat pumps for domestic hot water production; advice, appliance selection, commissioning, maintenance and troubleshooting.
Thermal solar
Thermal solar with flat-plate collectors and tube collectors; domestic hot water production, support for heating and pool water depending on the installation.
Hot water cylinder / heat storage tank
Hot water cylinders and heat storage tanks suitable for heat pumps and thermal solar, with versions with one or two heat exchangers and a heating combination.
Request a quotation
Quotation offer for construction or renovation projects, supply of a ROMAN SA heat pump, or turnkey offer with ancillary services.
Installation check
Installation check for a heat pump or thermal solar installation, with form request and recommended follow-up according to the stated frequency.
Warranty extension
Warranty extension for heat pumps with options of 5 years or 12 years, covering parts, labour and inspections according to the chosen option.
Heat pump customisation
Heat pump customisation via painting, screen printing or stickers, including a feasibility study, coordination of partner artists and execution.
Trust & reputation

ranQ Trust Score of ROMAN SA, pompes à chaleur: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

ROMAN SA, pompes à chaleur scores 63.2 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.54.124%
  • 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.65.210%
  • 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%
ROMAN SA, pompes à chaleur scores 85.5 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%
ROMAN SA, pompes à chaleur 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%
ROMAN SA, pompes à chaleur 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ROMAN SA, pompes à chaleur reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 12 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle3.912
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin des Williams 10
1907 Saxon
Opening hours
Mon
07:45 - 12:00, 13:30 - 17:15
Tue
07:45 - 12:00, 13:30 - 17:15
Wed
07:45 - 12:00, 13:30 - 17:15
Thu
07:45 - 12:00, 13:30 - 17:15
Fri
07:45 - 12:00, 13:30 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-110.039.984
Founded
2003 · 23 years
Last commercial register change
February 3, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VSSaxon
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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