Most newer condominiums in larger ( 6+ Floors) buildings use a centralized basement system. 

 If your building is less than 6 floors, individual units might be more financially viable, and each unit would have its own heating and cooling units so this type of hvac system is similar to HVAC in houses although the brands for this type of setup are different than the brands of systems for houses.

Some condominiums with more than 6 floors have their own independent HVAC from other apartments.

Older buildings generally differ from newer buildings in that the various types of systems used depend on the builder.

Whalen heat pump, works independently from other condos