Source:BBC News / Chris Baraniuk / May 30, 2023
Theirs is among the largest heat pump units in the world. Heat pumps work by compressing gently warmed refrigerants to raise the temperature of these fluids. That heat can then be passed on to homes or industrial machinery.
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The energy intensity for cooling commercial buildings in the United States depends on the climate the building is located in. Energy intensity in buildings is the energy consumed per square foot of floorspace. U.S. commercial buildings in hot or very hot climates, which are primarily in the southernmost parts of the country, were more than six times more energy-intensive for cooling (14.2 thousand British thermal units per square foot [MBtu/sf]) than buildings in cold or very cold climates (2.3 MBtu/sf).