Engineering and innovation
at the service of sustainable energy performance

Two poles

RENER's missions are both to support project owners in optimizing and renovating existing systems in order to reduce the energy consumption of buildings, and also to develop innovative and virtuous energy production systems through R&D.

Photo from the Rener Climate Engineering Design Office.

Climate Engineering Design Office

Specializing in the improvement, renovation, and operational monitoring of existing heating, air conditioning, and plumbing systems in multi-family residential buildings (condominiums managed by property management companies) and commercial buildings.


30 years of experience in operational monitoring, thermal studies, diagnostics, and fluid engineering. The quality of our services ensures lasting customer satisfaction.

Renewable Energy R&D Hub

Areas of ongoing development:

  • Low-carbon hydrogen production device
  • Hydropower from rivers and canals. Continuous electricity production.
  • Turbo engine

Rener
and the BI group

The BI Group was created in 2011 by shareholders who wanted to be involved in environmental protection, organic food, and energy efficiency, which are strategic resources.


RENER was also created in 2011 to work on energy savings (with energy efficiency as a primary resource), the energy transition, and the development of new decentralized "clean" energy generation systems for small and medium-sized industrial and agricultural businesses.

Photo of nature with a tree and blue sky to represent the willingness of RENER and the BI group to be involved in environmental protection.