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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringLucerneZgraggen - Ingenieure SIA
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Zgraggen - Ingenieure SIA

Summary

About the company

Zgraggen - Ingenieure SIA is an engineering firm specializing in the development of building technology solutions. The company's core activity is to develop innovative and sustainable solutions for the planning and realization of buildings and areas, taking into account thermal simulation tools and state-of-the-art technologies.

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Products & services

Industry:Technical Consulting & Engineering
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Design of HVAC and sanitary systems
Design of heating, ventilation, air conditioning and sanitary systems for residential buildings, from concept phase to implementation in accordance with SIA phases 1–6.
Building owner advisory
Building owner advisory for building services and energy-related issues, including needs analysis and support for architecture competitions.
Feasibility studies
Feasibility studies and preliminary study phase 21/22 for building services, energy efficiency and building-climatic requirements.
Simulation and modelling
Thermal simulations of sites and buildings, modelling under different climate scenarios and consideration of RCP pathways.
Life cycle analyses
Life cycle analyses to align technical equipment and sustainability as well as to assess long-term energy efficiency.
Energy optimisation in operation
Energy optimisation of systems during ongoing operation, including evaluation of measurement data to improve system operation.
Measurements and analysis of building data
Regular measurements, evaluation of operating and measurement data, and detection of anomalies and malfunctions in building services systems.
Building services operation
Operation management of HLKS systems with analysis of operating data and support for an optimally set, efficient heating operation.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

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Location

Zähringerstrasse 23
6003 Lucerne
Opening hours
Mon
06:00 - 20:00
Tue
06:00 - 20:00
Wed
06:00 - 20:00
Thu
06:00 - 20:00
Fri
06:00 - 20:00
Sat
06:00 - 20:00
Sun
06:00 - 20:00

At a glance

Legal form
Sole proprietorship
UID
CHE-442.140.525
Founded
2025 · 1 year
Last commercial register change
April 3, 2025
Employees
1 to 10

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