Single Chiller / Single Coil / Fan Coil:
Cooling only or Heating and Cooling

Residence / Large Apartment / Small Office

Single Chiller / Multiple Coil / Fan Coils:
Importance of economy of operation and ability to control comfort levels in more than one area while using a single outdoor unit.

Large Residential / Restaurant  / Nursing Home / Doctors Office

Multiple Chillers / Single Coil / Fan Coil:
Large tonnage can be obtained using cheaper-to-install single phase wiring.

Church / Small Retail Store

Multiple Chillers / Multiple Coils / Fan Coils:
Large tonnage, single phase power, economy of operation and excellent comfort control are some of this groups advantages.

Apartments