Energy Saving Trust (EST) is a British organization devoted to promoting energy efficiency, energy conservation, and the sustainable use of energy, thereby reducing carbon dioxide emissions and helping to prevent man-made climate change. It was founded in the United Kingdom as a government-sponsored initiative in 1992, following the global Earth Summit.

Energy Saving Trust Foundation leads the way in transforming how people think about energy and developing new research to identify opportunities for energy efficiency interventions across communities.

It is an independent, not-for-profit organization funded by the government and the private sector with regional offices in England, and country offices in Wales, Northern Ireland, and Scotland. Visit the Northern Ireland website here http://www.energysavingtrust.org.uk/northern-ireland