ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesAir conditioningGrand-LancyThermoptimum SA
Thermoptimum SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Thermoptimum SA distributes, commissions, maintains and repairs climate-control and environmental technology systems. Its services cover heat pumps, solar collectors, boilers, burners, refrigeration equipment, control systems and building automation.

AI-generated
Offering

Products & services

Industry:Air conditioningBuilding automation
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.0/5

Thermoptimum SA

Heating installer
✓ Offered7
Maintenance and breakdown service for burners, boilers, heat pumps and solar installations
Fixed-price maintenance and breakdown service for burners, boilers, heat pumps and solar installations; 24/7 service, maintenance contracts and documented servicing.
Supply and servicing of thermal equipment
Supply and servicing of heat pumps, solar tubes, boilers and burners for private customers and professionals in heating and cooling.
Implementation of building automation
Implementation of building automation for integrated HVAC management and monitoring of small, medium and large installations.
Maintenance and inspection of burners
Cleaning, checking burner operation and the combustion controller, setting the heat output and measuring harmful emissions.
Maintenance and inspection of boilers
Inspection of the boiler, the circulation and charging pumps, the electrical panel and the control and safety devices.
Maintenance and inspection of heat pumps
Gas inspection, leak detection, inspection of the electrical section and inspection of the air/water or ground/water components.
Maintenance and inspection of thermal solar installations
Check of the purge, addition of heat transfer fluid if necessary, check of the freeze temperature, leak detection and inspection of the sensor and control unit.
Trust & reputation

ranQ Trust Score of Thermoptimum SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Thermoptimum SA scores 58.8 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.49.624%
  • 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.72.110%
  • 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%
Thermoptimum SA 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%
Thermoptimum SA scores 85.0 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).85.022%
Thermoptimum SA scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thermoptimum SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 16 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
3.8
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle3.816
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Thermoptimum SA has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Thermoptimum SA in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Thermoptimum SA by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Thermoptimum SA to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Chemin de Grange-Collomb 12
1212 Grand-Lancy

At a glance

Legal form
Corporation
UID
CHE-115.133.314
Founded
2009 · 17 years
Last commercial register change
April 1, 2026
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

    Similar companies

    MS
    Maffiolo SA
    Grand-Lancy
    TS
    Thermex SA, succursale de Lancy
    Grand-Lancy
    SP
    SERVICES PLUS ENERGIES SA
    Bernex
    AS
    AFM SA Applications Froid Maintenance
    La Croix-De-Rozon
    TB
    Tech Building SA
    Perly
    SS
    Stucker SA
    Carouge Ge
    BE
    BOSSON ET PILLET SA
    Petit-Lancy
    DF
    Défi Froid Sàrl
    Perly