APIRAC - Associação Portuguesa dos Industriais de Refrigeração e Ar Condicionado

ARI - American Refrigeration Institute

ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers

ASME - American Society of Mechanical Engineers

ATECYR - Asociación Técnica Española de Climatización y Refrigeración

CEN - The European Committee for Standardization

CLUB OF ROME

COGEN Europe

CREVER - Centre d'Innovació Tecnològica en Revaloritzaciò Energètica i Refrigeraciò

DFS - Deutsche Fachverband Solarenergie, e.V.

DGS - German Solar Energy

DKV - Deutsche Kälteverein

EEA - The European Environment Agency

EFRIARC - Associação Portuguesa dos Engenheiros de Frio Industrial e Ar Condicionado

GRI - Gas Research Institute

IAPWS - International Association for the Properties of Water and Steam

IIAR - International Institute of Ammonia Refrigeration

IIR/IIF - International Institute of Refrigeration

IoR - Institute of Refrigeration - London

ISES - International Solar Energy Society

Menerga International

NIST - National Institute of Standards and Technology

NREL - National Renewable Energy Laboratory

Polygeneration - Technologies and Applications

ORNL - Oak Ridge National Laboratory

SPES - Sociedade Portuguesa de Energia Solar

SPF - Solartechnik, Prüfung, Forschung - Rapperswil

SRCC - Solar Rating and Certification Corporation

SSES - Schweizerische Vereinigung für Sonnenenergie

SWKI - Schweizerisches Verein von Wäme-und Klima-Ingenieuren

VDI - Verband Deutsche Ingenieur

WCRE - World Council for Renewable Energy