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.
Union Square is a neighborhood in the southeastern part of Somerville, Massachusetts. It is centered around Union Square proper, which is located at the intersection of Washington Street, Webster Avenue, and Somerville Avenue. The name Union Square comes from the square having been used as a recruitment and mustering site for the Union Army in the American Civil War.