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Design Office - Engineering
26 Boulevard Vincent Gâche - CS 17502
44275 - NANTES - France
Phone: +(33) 2 40 74 24 81
Fax: +(33) 2 51 84 16 33

Sector of intervention

Air quality and odours control - Energy efficiency - Environmental development - Renewables energies
Under sector of intervention
Analysis - Measurement - Monitoring - Energy efficiency - Indoor air quality - Life cycle analysis, auditing and diagnostics - Regulations - Audit - Consultancy - Studies and Engineering - Regulations - Audit - Consultancy - Studies and Engineering - Regulations - Audit - Consultancy - Studies and Engineering - Regulations - Audit - Consultancy - Studies and Engineering


ALTEREA, French company specialized in energy and building engineering, and ADEN Services, leader of facility management in China (and present in all Asia and Africa), have created a Joint-venture in 2014.

Decisive in this JV, ALTEREA bring his knowledge for the development of new solutions of energy savings in Asia and Africa.

This promising partnership combines all the ingredients of success: the expertise of ALTEREA in building energy performance, the power of the sales network of ADEN Services (more than 25000 collaborators in the world) and the explosion of the request of energy saving solutions on those continents.

This JV ambition is to endow Asian and African market with an innovative and integrated offer, from initial audit, to the correct exploitation of equipments including the technical conception, the realization of the works of energy efficiency and the implementation of computer systems of energy management.

Its strength is to be able to lean on the combined skills of 170 specialists of the energy and the building of ALTEREA and 1 000 engineers and technicians of the division maintenance of ADEN Services.


In France

  • Manufacturing facilities: PARIS AIRPORTS GROUP (office, airports terminals,…), CEGELEC (office), GROUPAMA (office), SNCF (French National Stateowned Railway Company), KIABI (stores), ERAM (factories), IBM (factories - data center), TGV (factories), RATP (transport authority in Paris), SFR (stores),…
  • Public building/Education: City of Paris, National Assembly, SIPPEREC (Ile-de-France), SYDEV, Pays de la Loire, City of Bordeaux, City of Pau,…
  • Residential: Paris Habitat (Top 3 public housing in France), Property Management Company of Paris, Nantes Habitat, LNH, Partenord Habitat, Vilogia, Alliade, Mistral Habitat, Logiest, Habitation Moderne, Habitat 17, Clairsienne,…



In China: Air Liquide, Hermès, Cooperl, Gentherm, Freeman, Sofima, Shanghai Institute College, Fred and Farid digital Agency, Sidel, ACCOR Group, Radiall, Sandvik, Knorr-Bremse, Somfy, Grand chais de France, Bosch, Thyssen Krupp, Honeywell, Christofle…

In Africa: Prospection in Ivory Coast

Example of accomplishments

Certifications, labels or price

  • OPQIBI and RGE qualifications
  • QUALIBAT certification
  • Energy retrofit Expert - PROMOTELEC certification
  • CMVP certification
  • CERQUAL certifications
  • Insurance «Energy Performance Guarantee»
  • Energy Performance Diagnostic certification and accreditation
  • Citer’gie adviser
  • Carbon audit accreditation / PCAET training
  • Member in the Vivapolis Approach and BBCA association
  • Energiesprong Charter

Key figures

Staff: 275
Turnover: 18.5 millions euros
International turnover: --


Public Relations Director
Phone: +(33) 6 46 31 62 32
Fax: +(33) 2 51 84 16 33


Building - Consultancy - Energy efficiency - Engineering - Renewable energy

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