Energy efficiency

Airwatec

Airwatec has two Business Units in filtration: WATER and AIR. Manufacturer of domestic and industrial water and air filters for the treatment of drinking water, rainwater, and well water under the CINTROPUR brand. Our air filters and dust collectors serve all sectors to protect operators and machines operating with air. Custom-made solutions.

Rue Haute 104, 4700 Eupen, Belgique

Last updated: 13/03/2026

Altéris Technologies

We specialise in electronics development based on 4 key areas: ultra-low power consumption (battery-powered or energy recovery systems), intelligent sensors, difficult integration (industrial environments, aggressive environments, miniaturisation, etc.) and wired and wireless communications.

Chem. de la Platte 50, 4845 Jalhay, Belgique

Last updated: 23/04/2025

Becquerel Institute

The Becquerel Institute specializes on key aspects relating to the accelerated penetration of Solar PV as a mainstream electricity source, and to the energy transition in general; in Europe and Worldwide.

Rue de Praetere 2, 1000 Bruxelles, Belgique

Last updated: 09/03/2026

BEMS

Buildings are responsible for 40% of the energy consumption in industrialized countries. Research activities are necessary both at building design and operation levels and have to target a better integration of renewables.

Av. de Longwy 185, 6700 Arlon, Belgique

Last updated: 23/04/2025

BPIE

BPIE est le principal groupe de réflexion indépendant européen sur la performance énergétique des bâtiments. Notre vision est un environnement bâti neutre sur le climat, aligné sur l'ambition de l'Accord de Paris et en faveur d'une société juste et durable.

Rue de la Science 23, 1000 Bruxelles, Belgique

Last updated: 23/04/2025

Buildwise

Buildwise supports the construction sector in its technological, economic and societal evolution through collaborative research and innovation. It carries out research for the benefit of its members and provides them with information, assistance and technical advice.

Rue du Lombard 42, 1000 Bruxelles, Belgique

Last updated: 12/03/2026

Bureau d'experts Ph. Deplasse et associés

Engineering consultancy specialising in special building techniques, i.e. all technical equipment linked to energy and providing comfort and safety for occupants.

Chaussée de la Hulpe 181, 1170 Watermael-Boitsfort, Belgique

Last updated: 23/04/2025

C-Energy

C-Energy's innovative solutions cover all aspects of energy management, storage, optimization and trading to provide energy as a service, fully tailored to specific needs and budget, as well as a unique and patented energy storage concept.

Frank van Dyckelaan 15, 9140 Temse, Belgique

Last updated: 23/04/2025

Callens

Callens is an industrial group with family governance, recognized for its expertise in the design and implementation of high technological value thermal and aeraulic solutions. Our ambition is to contribute to a more efficient, safer and more sustainable industry.

Last updated: 13/03/2026

carbolean

Connected solution that calculates daily all emissions related to energy, electricity, fuels, water, but also waste etc. Carbolean enables companies to obtain daily reporting of their CO2 emissions.

Chau. de Louvain 431, 1380 Lasne, Belgique

Last updated: 23/04/2025

Climact

Climact is a leading European consulting firm specializing in energy, climate and environment. For more than 20 years, the company has been supporting public and private organizations of all sizes in managing climate risks and transitioning to a low-carbon economy.

Place de l'Université 16, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 20/03/2026

CoopERLIC

CoopERLiC (Coopérative Énergétique Liégeoise Citoyenne) is a social economy cooperative whose objective is to support collective action for the climate in order to enable the people of Liège to become concrete actors in the Energy Transition. It will also participate in the short energy supply chain.

Rue de l'Académie 53, 4000 Liège, Belgique

Last updated: 06/03/2026

Dapesco groupe METRON

French CleanTech founded in 2013, METRON reduces the energy costs and carbon footprint of industrial and tertiary groups, thanks to its energy management and optimisation platform.

Rue Granbonpré 4, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 23/04/2025

Delpower

Study office that offers energy optimization solutions for industrial and tertiary sectors. Energy audits, studies, monitoring, electric mobility, renewable energy, etc. Energy transition for companies and public authorities.

Rue du Bosquet 3, 4890 Thimister-Clermont, Belgique

Last updated: 23/04/2025

Denercon

Denercon is an energy consulting company active in industrial energy management, offering technical advice to industrial customers, SMEs and public administrations.

Last updated: 12/11/2025

Ecompany

Ecompany, jeune société située à Assent, propose des solutions concernant les systèmes de mesure d'énergie et les organes de régulation. Ecompany propose par ailleurs des compteurs pour l'électricité, la chaleur, le refroidissement, l'eau et le gaz et dispose de différentes solutions pour la lecture automatique, la centralisation, la visualisation et la facturation des données de compteurs.

Langerode 13, 3460 Bekkevoort, Belgique

Last updated: 24/04/2025

Eliosys

ELIOSYS’ main mission is to test product response to climatic and environmental constraints. In 2009, Julien Thiry launched ELIOSYS with none other than MeuseInvest as his financial partner.

Rue des Pôles 1, 4000 Liège, Belgique

Last updated: 23/04/2025

Ellipse ISE

Anticipate constraints and turn them into opportunities to better control the evolution of energy costs.

Rue des Otages 5, 7190 Écaussinnes, Belgique

Last updated: 06/03/2026

Energis

Energis is a European greentech software scale-up, based in Belgium.

Chemin du Cyclotron 6, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 18/06/2025

Energy-Pool Belgium

Almost 20 years of experience in the energy sector serving producers, GRD, suppliers and installers. Assistance to energy actors to adapt their processes to new challenges : flexibility and energy sharing among others. Experience in the implementation and development of new products on the market, as well as in the setting up of federal and regional R&D projects.

Cr Collin 7, 1380 Lasne, Belgique

Last updated: 20/09/2025

Enersol

Study, design, installation, management and monitoring of photovoltaic and solar thermal power plants. Facilities outside networks and storage Energy Smart grid hybrid.

Rue de Maestricht 70, 4651 Herve, Belgique

Last updated: 04/02/2026

Ewattch Belgium

Ewattch specialises in the development and manufacture of energy management and electricity consumption monitoring solutions. Ewattch offers sensors, energy meters, remote monitoring devices and energy management software. Its target markets are mainly the industrial, commercial and residential sectors.

Quai Sur - Meuse 19, 4000 Liège, Belgique

Last updated: 23/04/2025

Exergia

Exergia is a consulting, engineering and project management company dedicated to accelerating the energy transition and industrial decarbonization. We support companies in improving their energy efficiency, reducing their CO2 emissions and adopting sustainable solutions to climate challenges.

Chemin du Cyclotron 6, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 08/01/2026

Gemelio

Digital software company developing the tools to accelerate the decarbonization of heat.

Rue Bissé 17, 1070 Anderlecht, Belgique

Last updated: 25/06/2025

Green label

Green Label is an analysis and consultancy company specialising in energy studies and building monitoring. The company uses thermography and infiltrometry to detect moisture problems, water leaks and infiltration. It also offers PEB certification and water vapour diffusion studies.

Rue de Henne 8, 4053 Chaudfontaine, Belgique

Last updated: 26/02/2026