• The window and split air conditioners are usually used for the small air conditioning capacities up to 5 tons.
  • The central air conditioning systems are used for where the cooling loads extend beyond 20 tons.
  • The packaged air conditioners are used for the cooling capacities in between these two extremes.
  • The packaged air conditioners are available in the fixed rated capacities of 3,5, 7, 10 and 15 tons.
  • These units are used commonly in places like restaurants, telephone exchanges, homes, small halls, etc.