Geothermy

3E

Digital solutions and expert services to maximize the performance of renewable energy assets.

Quai à la Chaux 6, 1000 Bruxelles, Belgique

Last updated: 05/09/2025

Aquale

Environmental consulting and energy office specialized in the basement : hydrothermal / geothermal energy (heat/cold, storage), contaminated sites management, management of groundwater resources and surface water, geology engineering, circular economy , smart grids, training, R&D.

Rle Pirmez 2, 5380 Fernelmont, Belgique

Last updated: 23/04/2025

Artesia

Artesia Environnement specializes in groundwater consultancy and the design of geothermal open loop systems. It provides aquifer characterization, predictive 3D hydrogeological modeling, and technical advisory services. The company also develops the Krigis software for the management of groundwater pollution data.

Rue du Bois Saint-Jean 15, 4031 Seraing, Belgique

Last updated: 06/03/2026

Coriance Belgium

We build, develop and operate local urban heat networks powered by sustainable energy.

Last updated: 23/04/2025

CTC Benelux (Enertech Group)

CTC is a powerful manufacturer of heaters within the overall heating unit Enertech AB, itself part of the overall heating group Enertech Limited.

Rue de la Gare 36, 5660 Couvin, 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

Emerson Climate Technologies Refrigeration

Emerson Climate Technologies is a world leader in the production of compressors, condensing units and controls for heating, air-conditioning and refrigeration applications.

Rue Trois Bourdons 27, 4840 Welkenraedt, Belgique

Last updated: 23/04/2025

Geolys

Geolys is an energy and environmental consulting firm present in all 3 regions and working in the following fields: soils, water and geothermal energy.

Quai Sadoine 9, 4100 Seraing, Belgique

Last updated: 03/02/2026

Karno

Karno is a competitive, efficient and sustainable thermal energy network developer.

Last updated: 11/02/2026

Phreatis

Phreatis is an engineering office specialized in hydrogeology and shallow/deep geothermal energy.

Rue Laurent Delvaux 31, 1400 Nivelles, Belgique

Last updated: 06/03/2026

Rescoop Wallonie

RESCOOP WALLONIE asbl, Fédération wallonne des coopératives citoyennes d’énergie renouvelable

Rue de l'Académie 53, 4000 Liège, Belgique

Last updated: 06/01/2026

Resolia

Developing efficient district heating networks requires analyzing technical, energy, and socio-economic data. Through innovative modeling, Resolia provides decision-making and control tools for public authorities, developers, and network operators—optimizing projects and cutting CO₂ emissions by up to fourfold.

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

Last updated: 09/03/2026

S²Engineering

S²E is short for “Smart & Sustainable,” reinforcing its goal of linking technology with sustainable development. The term ‘Engineering’ that follows is equally important because it affirms the approach with which the two “S”s are treated: like engineers. This signifies our commitment to rigor and measurement in all actions taken in both “S”s.

Pl. du Perron 23, 6030 Charleroi, Belgique

Last updated: 09/03/2026

Teenconsulting

Teenconsulting, with over 20 years of expertise in energy performance, conducts energy audits, studies, work monitoring and EPCs. Our team of six AMURE/UREBA-certified engineers has strong experience in swimming-pool technical installations. We analyse systems, guide project owners, coordinate works, ensure proper commissioning and deliver lasting energy savings and client satisfaction.

Chaussée de Nivelles 60, 7181 Seneffe, Belgique

Last updated: 06/03/2026

Volt-R

Volt-R develops decision-support tools for professionals in the energy, building and mobility sectors. Its activity covers techno-economic modelling, scenario simulation and the analysis of systems combining generation, storage, charging and energy management. These solutions are used to size installations and support investment decisions.

Rue Pierreuse 135, 4000 Liège, Belgique

Last updated: 13/03/2026

WattElse

Consulting on Energy Strategy. Management of renewable production projects (PV, wind, biomass, hydraulic, storage).

Rue du Jauviat 20, 5530 Yvoir, Belgique

Last updated: 27/02/2026

WellDoneDrill

WellDoneDrill is a Belgian company specialized in open and closed-loop geothermal drilling for sustainable heating and cooling of buildings, from residential properties to large urban projects. It designs and installs tailored solutions, in partnership with construction stakeholders, to reduce CO₂ emissions and energy costs.

Rue des Anciens Etangs 40, 1190 Forest, Belgique

Last updated: 09/03/2026