Innovative energy, guaranteed results, integrated financing.
-80%
energy
-95%
CO₂
eren low carbon buildings
Our approach
By your side to make energy efficiency your lasting competitive advantage
Diagnostics, solutions, monitoring: we act on every performance lever, site by site or across an entire portfolio
Increase asset value
Turn every building into a high-performing asset that is attractive on the market
Better energy performance increases the long-term value of your property
Lower occupants’ service charges
Satisfied occupants, controlled service charges, with no compromise on comfort
Reducing service charges makes your properties more attractive while guaranteeing thermal comfort and occupant safety
Decarbonise and achieve sustainability certifications
Reach your low-carbon targets and obtain the certifications that matter
We support you towards compliance with the French Tertiary Decree, HQE, BREEAM or LEED, with measurable and auditable solutions
Invest in innovation in construction and property management
Integrate low-carbon technologies from the design stage or during renovation
Low-carbon boiler plants, smart BMS, geothermal energy and AI: innovative solutions that lastingly transform your new or existing buildings
Choose your profile
Multi-site challenges, tailored solutions and field-proven results, in just a few clicks.
Sectors
Reduce energy and CO₂, secure compliance,
sustain performance over time.
Sectors
Intensive cooling and lasting performance, to stay on course towards zero carbon without compromising operational continuity.
Our story
Since 1979, the Eren Group has pursued a long-term vision and established itself as a pioneer of the energy transition, developing and financing low-carbon solutions.
The group draws on an entrepreneurial culture and investment capacity to accelerate the roll-out of concrete projects that reduce emissions and preserve natural resources.
Accenta, a company specialising in energy and carbon performance and owned by Eren Groupe, announces the creation of a joint venture with Nexity, France’s leading real estate group, to accelerate the roll-out of geothermal solutions in multi-occupancy housing.
Eren Low-Carbon Buildings will be at SIBCA (Salon International du Bâtiment et de la Construction) from 1 to 3 September 2026 with a packed programme focused on the major challenges of the low-carbon transition in real estate and industry.
Thermal energy storage solutions from Fafco, an Eren Low Carbon Buildings brand, will be showcased at elementalLONDON on 25 and 26 November 2026 at ExCeL London, the UK’s leading event dedicated to improving the energy performance of large-scale commercial, industrial and residential buildings.
Accenta, a company specialising in energy and carbon performance and owned by Eren Groupe, announces the creation of a joint venture with Nexity, France’s leading real estate group, to accelerate the roll-out of geothermal solutions in multi-occupancy housing.
Eren Low-Carbon Buildings will be at SIBCA (Salon International du Bâtiment et de la Construction) from 1 to 3 September 2026 with a packed programme focused on the major challenges of the low-carbon transition in real estate and industry.
Thermal energy storage solutions from Fafco, an Eren Low Carbon Buildings brand, will be showcased at elementalLONDON on 25 and 26 November 2026 at ExCeL London, the UK’s leading event dedicated to improving the energy performance of large-scale commercial, industrial and residential buildings.
