Energy consulting in
Renens VD

Ferrini Engineering Sàrl

Since 2011 · 1–10 empl.

Ferrini Engineering Sàrl is an engineering firm for energy and building services. It plans and oversees building systems and provides services in heating, ventilation, plumbing, building simulation and energy consulting.

Olonor ingénierie Sàrl

Since 2013 · 1–10 empl.

Olonor ingénierie Sàrl provides consulting and diagnostic services focused on the energy and environmental performance of buildings. Its services include thermal assessments, CECB and CECB Plus energy certificates, asbestos and other building-pollutant diagnostics, and environmental assessments with recommendations for improvement.

Olivier Zahn & Associés Sàrl

Since 2017 · 1–10 empl.

Olivier Zahn & Associés Sàrl is an engineering firm specializing in heating, ventilation, air conditioning and building physics. Its services include system design and refurbishment, energy efficiency and renewable energy advice, and measurements and expert assessments of existing installations.

TECPHY Sàrl

Since 2020 · 1–10 empl.

TECPHY Sàrl is an engineering consultancy working in renewable energy, buildings, mobility and industry. It plans and models energy systems, including photovoltaics, hydrogen and storage, and provides energy monitoring, R&D project management and support for the industrialisation of cleantech products.

Sorane S.A. Société de Rationalisation de l'Energie

Since 1977 · 1–10 empl.·5.0(1)

Sorane S.A. Société de Rationalisation de l'Energie is an engineering consultancy focused on the energy design and optimisation of buildings. Its activities include energy audits, renewable energy, applied research and scientific communication.

Ecobats Energies Sàrl

Since 2016 · 1–10 empl.·3.7(3)

Ecobats Energies Sàrl is an engineering consultancy specialising in energy, building physics and building services. It plans and coordinates heating, ventilation, air-conditioning, plumbing and control systems, and provides services including energy audits, thermography and building certification.