ABSTRACT
Heat pumps can be categorized according to:
function:
heating, cooling, domestic water heating, ventilation, drying, heat recovery etc.
heat source:
ground, ground water, air, exhaust air etc.
working fluids – heat source/heat distribution:
brine/water, water/water, direct-expansion/water, air/water, air/air etc.
unit construction:
compact, split
installation location (indoor, outdoor)
compression heat pump
absorption heat pump
drive power (electric, gas)
number of compression stages
etc.
