Installing ductless mini-split systems is often comparable or slightly more expensive in terms of upfront equipment and labor than replacing an existing central ducted air conditioner, but they are significantly cheaper and less invasive than installing brand-new ductwork in a home that has never had central HVAC. Central air systems require extensive sheet-metal or flexible duct installation through walls, attics, and crawlspaces, which drives up labor costs dramatically in older homes. Mini-splits bypass major structural renovations by requiring only a small three-inch hole through the exterior wall for refrigerant lines and electrical cables, making targeted room-by-room installations faster and more cost-effective.
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