Version 2.6

Term Term Definition Options Unit of Measure
Association of Energy Engineers Performance Contracting and Funding Professional (PCF) View None
Association of Energy Engineers Renewable Energy Professional (REP) View None
Association of Realtors Board or Association of Realtors View None
Astronomical time clock A device that provides a signal to turn a load on or off or adjust power in steps based on the time of day or based on astronomical events such as sunset or sunrise, accounting for geographical location and day of the year. Also known as astronomical time clock. View None
At night View None
Atmospheric An atmospherically vented boiler draws in combustion make-up air from its surrounding area through a damper to create a draft. View None
Atrium An atrium is a large open space located within a building, extending several stories high and having a glazed roof. View None
Attached Single-family, attached residential premises are units that are attached only by common walls, excluding floors or ceilings, such as townhomes. Units have no common heating system or inter-structural public utilities. View None
Attached from above View None
Attached from above and below View None
Attached from below View None
Attached on one side View None
Attached on three sides View None
Attached on two sides View None
Attic The area in a building that is between the finished ceiling and the roof. View None
Attic A construction that has a space between the ceiling structural framing and the roof structural framing. View None
Attic A space located below the pitched roof of a residential house or other building. View None
Attic The area in a building that is between the finished ceiling and the roof. View None
Attic Access Location

Description of where the attic is located, generally thought of as what type of space (conditioned or not) it is next to. Use the Conditioning Status term for a full list that can be applied to this term.

View None
Attic Component

Element of an attic

View None
Attic floor Radiant barrier is installed on the attic floor, over ceiling insulation. View None
Attic level transition In split level homes, the attic level will often change. There will be a vertical frame wall that connects the two horizontal attic planes. Often, this wall’s framing cavity bays will be open where it passes the level of the lower attic plane. View None
Attic Venting

Description of how the attic is vented. Use the Conditioning Status term for a full list that can be applied to this term.

View None
Audio View None
Audio amplification A function by which a device increases the amplitude of an audio signal for purposes of sending the signal to a transducer for playback. View None

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