Components Inside a Heat Pump. A heat pump works much the same way an air conditioning unit works with a few differences. In the cooling mode it transfers heat outside from the inside and in the heating mode it transfer heat from the outside to the inside*.
Wikimedia Commons: Union Hill, Illinois. Union Hill is a village in Kankakee County, Illinois, United States. The population was 66 at the 2000 census. It is included in the Kankakee-Bradley, Illinois Metropolitan Statistical Area.
The Loop (CTA) The Loop (historically Union Loop, or commonly Loop) is the 1.79-mile (2.88 km) long circuit of elevated railroad that forms the hub of the Chicago L system in Chicago, Illinois. As of 2012, the branch has served 74,651 passengers every weekday.