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 · Imprint745,837 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBurgdorfBerger Wärmetechnik AG
Berger Wärmetechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Berger Wärmetechnik AG is an engineering office for building and energy technology that acts as a neutral building‑services planner. Services include independent energy consulting, design of heating and ventilation systems, complete building‑services planning, solar technology, energy performance reports/GEAK, system analyses and economic feasibility calculations.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered5
Energy consulting
Neutral energy consulting, rough and detailed analyses of existing systems, cost-effectiveness calculations, energy documentation for building permit applications, GEAK building certificate.
Planning of thermal systems
Planning of heating and thermal systems, including solutions for building services.
Planning of air-technical systems
Planning of ventilation and air-technical systems for buildings and building-services projects.
Planning of all building services
Complete planning of building services for construction projects, coordinated with heating, ventilation and other building-technical requirements.
Solar technology
Planning and advice on solar technology in the field of residential and energy technology.
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
4.1/5

Berger Wärmetechnik AG

Trust & reputation

ranQ Trust Score of Berger Wärmetechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Berger Wärmetechnik 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.
x
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%
Berger Wärmetechnik AG 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%
Berger Wärmetechnik AG scores 83.3 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).83.322%
Berger Wärmetechnik AG scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Berger Wärmetechnik 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.

Knowledge

No knowledge articles yet

Once Berger Wärmetechnik AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Berger Wärmetechnik AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Berger Wärmetechnik AG by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Kirchbergstrasse 189
3400 Burgdorf

At a glance

Legal form
Corporation
UID
CHE-106.279.284
Founded
1988 · 38 years
Last commercial register change
June 11, 2018
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

    HL
    HSB LiVa AG
    Belp
    HB
    Hertig Bauingenieure AG
    Bützberg
    WG
    Wetti GmbH
    Oppligen
    IA
    IDZ AG
    Koppigen
    HI
    Hertig Ingenieure AG
    Langenthal
    EE
    Enerum Energie + Umwelt GmbH
    Seftigen
    HI
    Häusler Ingenieure AG
    Langenthal
    EG
    Energieschmiede GmbH
    Reichenbach Im Kandertal