less common than split systems.
their smaller size makes them better suited for small buildings lacking extra storage space.
connect to a building’s supply and return ducts, often through a single hole in the wall.
building owners can choose to install a packaged heat pump containing evaporator coils or a packaged air conditioner with an air handler with optional heat strip elements.
Both systems cost less to install than split systems and are easier to maintain.
Benefits:
Space efficiency
all components of a complete heating and cooling system are contained in one location, making packaged units ideal for situations in which indoor space is at a premium.
Less Invasive – Because the package system is in one all-inclusive unit, there is no need for additional refrigerant lines.