COMN 155 2.05

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energy audit

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a review of a building or home's energy use to identify ways to improve efficiency and reduce energy costs: 

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building envelope

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the collection of components that separate the inside of a building from the outside, including the walls, roof, foundation, windows, and doors

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thermal envelope

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A set of materials like insulation or air sealing that control the transfer of heat into and out of the home.

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air barrier

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A set of materials like wood, cement, and plastic that control the transfer of air into and out of the home.

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insulation

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material or substance that is used to stop heat, electricity, or sound from going into or out of something

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solar radiation

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sunlight or the solar resource.

it is the electromagnetic radiation emitted by the sun.

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R-Value

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measure of an insulation ability to reduce the rate of heat flow under specified conditions

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attic

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a space or room just below the roof of a building.

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drywall

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building material that is used for making walls and ceilings and that is made of large sheets of plaster covered with thick paper

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moisture

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small amount of a liquid (such as water) that makes something wet or moist