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A device that utilizes a refrigeration cycle either to heat or to cool a building by passing air or water over either the condensing coils or the evaporating coils, respectively. Inside AC Unit. Advantage- Heat or Cools building quickly. Disadvantage- Loud. Air handling Unit inside.
Steep Roof Terms Eave-horizontal edge at the low side of a sloping roof . Ridge- level intersection of two roof planes in a roof. Rake- sloping edge of a steep roof. Valley- a trough formed by the intersection of two roof slopes.
Steep Roof Terms No Fascia Soffit- the undersurface of a horizontal element of a building. Fascia- the exposed vertical face of an eave.