DECs show the actual energy usage of a building, and are only required for buildings that are occupied by a public authority or provide a public service to a large number of persons, with
a total useful area greater than 1,000 m2.
Not exact matches
For couples who are relating well in some
areas, but desire more of what Paul Tournier calls a «
total marriage,» this book may be a
useful tool.
Under European Directives 2002 / 91 / EC and 2010 / 31 / EU, you must display a DEC at any public building or one that's frequently visited by the public in England and Wales, when it has a
total useful floor
area of 250m2 or more.
It's calculated by dividing the
total energy consumed by the building in one year (often measured in kBtu) by the
total floor
area of the building (often measured in square feet), and can be
useful for comparing performance of buildings across sizes, types, and locations.