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In support of the "Sustainability for the Embassy" initiative, the U.S. Department of State has installed two new high-tech energy systems in the building. In addition, it is currently designing a third sustainable project for the ambassador's residence. The first of the installed systems is a dedicated heat recovery cooler; This progressive and environmentally friendly application converts the "waste heat" created by lighting and electronic applications such as computers and embassy telephones into useful energy for the hot water required throughout the building, without using any fossil fuel.
The second project is the installation of an air-cooled modular refrigerator for the air conditioning system. These devices have the lowest charge of refrigerant per kilowatt available on the world market, reducing potential losses to the atmosphere. The third project is the design and installation of a solar domestic water heater. This solar system will supply most of the residence's domestic hot water needs, without using gas or electricity to heat the water.