J3e, the magazine for professionals in the Energy and Environmental Efficiency of tertiary, industrial and collective buildings.
Our role: Promote the advances made by the energy performance solutions carried by the sector and support their development and their uses with Energy Managers, design offices, specifiers, and decision-makers in the building markets.
DNA: Smart Building, Smart City, Smart Grids, HVAC, Security, Lighting, GTB, IRVE, Datacenter, IOT and renewable energy.
