Central air conditioning units are usually matched with a gas or oil furnace to provide heat through the same set of ducts. There are also central HVAC units called heat pumps that combine both the heating and cooling functions.ypes of Systems. We've just described what is called a split system - the condensing unit is placed outside the house, and the evaporator coil is inside. There is another configuration called a packaged air conditioner that combines the condensing unit and the evaporator coil into one outdoor unit.
A sentencing circle is a community-directed process, conducted in partnership with the criminal justice system, to develop consensus on an appropriate sentencing plan that addresses the concerns of all interested parties.
A polygon which has a circumscribed circle is called a cyclic polygon (sometimes a concyclic polygon, because the vertices are concyclic). All regular simple polygons, isosceles trapezoids, all triangles and all rectangles are cyclic. A related notion is the one of a minimum bounding circle, which is the smallest circle that completely contains the polygon within it.