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 · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRömerswil LuLingg Gebäudetechnik GmbH
Lingg Gebäudetechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lingg Gebäudetechnik GmbH is the planning of heating and ventilation systems in the comfort sector, particularly in new construction and renovation projects of single-family homes, residential and commercial buildings, as well as industrial buildings.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
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
3.9/5

Lingg Gebäudetechnik GmbH

✓ Offered12
Building services planning
Building services planning for heating, ventilation, cooling and air-conditioning; preliminary design, planning, tendering, detailed design and coordination with other trades.
Energy consulting
Energy consulting for new builds, conversions and renovations; GEAK, GEAK Plus, GEAK Neubau, Impulsberatung erneuerbar Heizen and advice on funding measures.
Energy performance certificates
Energy performance certificates for new builds, renovations, extensions and complex buildings and developments, including EN forms and evidence in accordance with SIA 380/1.
Specialist coordination
Specialist coordination for construction projects with early alignment, ongoing coordination of the designs and collaboration during execution to avoid interface problems.
Heating design
Heating design for gas, oil, pellet, heat pump, district heating and solar thermal systems, including heat recovery, heat generation, heat distribution and SIA phases.
Ventilation design
Ventilation design for central and decentralised systems, residential ventilation, commercial ventilation as well as car park and cellar ventilation, accompanied through all relevant SIA phases.
Cooling design
Cooling design for cold rooms, process cooling, commercial refrigeration and air-handling/room air technical systems with solutions tailored to energy efficiency and operational reliability.
Building analysis per BFE specifications
Building analysis per BFE specifications for industrial halls, production areas and special-purpose buildings, with assessment of the envelope, services, energy demand and funding options.
Subsidy applications for energy retrofits
Subsidy applications for heating and the building envelope; checking funding eligibility, complete submission and communication with funding bodies.
Application processing for heating renovations
Building applications, EWS applications, subsidy applications and WPSM applications for heating renovations, including review of requirements and submission to authorities.
Project support
Project support from consultation through planning and application handling to implementation, coordinated with clients, architects and contractors.
Optimization of heating systems
Optimization of heating systems focused on efficiency, minimal operating costs and suitable system sizing/design.
Trust & reputation

ranQ Trust Score of Lingg Gebäudetechnik GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Lingg Gebäudetechnik GmbH scores 65.0 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.73.124%
  • 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.35.310%
  • 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.78.08%
Lingg Gebäudetechnik GmbH scores 70.2 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.70.212%
  • 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%
Lingg Gebäudetechnik GmbH 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%
Lingg Gebäudetechnik GmbH scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lingg Gebäudetechnik GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Lingg Gebäudetechnik GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Lingg Gebäudetechnik GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Lingg Gebäudetechnik GmbH by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Schürmatte 23
6027 Römerswil Lu
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-133.799.184
Founded
2020 · 6 years
Last commercial register change
November 23, 2021
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    SH
    Steiner Haustechnik AG
    Zell Lu
    HH
    Herzog Haustechnik AG Luzern
    Lucerne
    LE
    Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Kriens
    Kriens
    TT
    tib Technik im Bau AG
    Lucerne
    EW
    elmiger wärme+technik ag
    Hochdorf
    PH
    Peter Haustechnik GmbH
    Knutwil
    G
    GTP-Suter
    Neuenkirch
    EZ
    E3 Zentralschweiz AG
    Kriens