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 community of Union is located in Eau Claire County. The 2010 Census gave Eau Claire County a population of 98,736 people. This means that Union had 2.7% of the county's total population, making it Eau Claire's 6th most populous community.