Some Heat Pumps to Inspire you!

Ground Collector Layout
Windmill Lane Apartments
An outdoor Air to Water Heat Pump
Twin Air to Water
Indoor part of a Toshibe Air to Air HP.
Toshiba Roof Mounted Units
A 'Split' Heatpump
Ground Source Heat pump
Toshibe External unit for air to air
Nibe F2120
Air to Air Heat pump