Sewers Fixtures Copper Repipe Water Heaters Forced Air Wall / Gravity Central A/C Heat Pumps Packaged Units Ductless Split Systems R-410A Systems Perfect for room additions and other areas where duct work is impractical. Carrier duct-free split systems deliver the unmatched comfort of a traditional split system to specific individual spaces in your home. Whether you're creating a quiet, comfort-controlled home theater room, or simply want to heat or cool an area in your home without ducts, the wide variety of Carrier duct-free split systems give you the efficiency, aesthetics and comfort of a traditional central split system. 100% SATISFACTION GUARANTEED!