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 township is located on the northern edge of Union County and is bordered to the northwest by Irvington and to the north and northeast by Newark, both in Essex County. Elizabeth borders Hillside to the east and southeast, while Union borders to the west.