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Definitions
Compliance
Compliance is whether and to what extent individuals/companies do adhere to the provisions of a regulation. Compliance depends on implementing policies ordered, and on whether measures follow up the policies. Compliance is the degree to which the actors whose behavior is targeted by the regulation, local government units, corporations, organizations or individuals, conform to the implementing obligations; http://www.ipcc.ch/ pdf/assessment-report/ar4/wg3/ar4-wg3-annex1.pdf
District heating
A system supplying heat produced centrally in one or several locations to a non-restricted number of customers. It is distributed on a commercial basis by means of a distribution network using pressurized hot water or steam as a medium. Often, the heat is also used for service water heating and industrial purposes, such as process heat. Although mostly understood to mean large centralized urban heating systems, many national statistics also include very small heating systems; http://www-wds.worldbank. org/external/default/WDSContentServer/WDSP/IB/2000/12/15/000 094946_00112105321115/Rendered/PDF/multi_page.pdf
Fenestration
All areas (including the frames) in the building envelope that let in light, including windows, plastic panels, clerestories, skylights, glass doors that are more than one-half glass, and glass block walls. A skylight is a fenestration surface having a slope of less than 60 degrees from the horizontal plane. Other fenestration, even if mounted on the roof of a building, is considered vertical fenestration.
Glazed wall system
A category of site-assembled fenestration products, which includes, but is not limited to, curtain walls and solariums. Glazing Any translucent or transparent material in exterior openings of buildings, including windows, skylights, sliding doors, the glass area of opaque doors, and glass block. Glazing Area The area of a glazing assembly is the interior surface area of the entire assembly, including glazing, sash, curbing, and other framing elements. The nominal area or rough opening is also acceptable for flat windows and doors. Glazing U-Factor Based on the interior-surface area of the entire assembly, including glazing, sash, curbing, and other framing elements. Center-ofglass U-factors cannot be used.
Green building
Requires compliance with several sustainability criteria over the life-cycle of a building: energy efficiency, water efficiency, good indoor air quality, use of environmentally sustainable materials, and use of the building lot or site in a sustainable manner