Central Air vs. Ductless Mini-Split Systems
Central air conditioning cools an entire home through existing ductwork, while ductless mini-splits cool individual rooms or zones without ducts.
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Central Air
A single system that cools the entire home through existing (or newly installed) ductwork.
- Cools the whole home from one system
- Familiar, widely serviced technology
- Can be paired with existing furnace ductwork
- Requires ductwork — expensive to add if the home doesn't have it
- Less zone-by-zone temperature control
Ductless Mini-Split
Individual indoor units connected to an outdoor compressor, cooling specific rooms or zones without ductwork.
- No ductwork required
- Zone-by-zone temperature control
- Often more energy-efficient per zone
- Indoor units are visible on walls in each room
- Whole-home coverage can approach central air cost
Which one makes sense for you?
Central air is typically more cost-effective for whole-home cooling in a house that already has ductwork. Ductless mini-splits often win for homes without ducts or needing zone-specific control.
Key cost factors.
- Whether the home already has usable ductwork
- Total square footage and number of zones
- System efficiency rating (SEER) selected
- Regional climate and cooling demand
Before you decide.
- Does my home's ductwork need repair as part of this project?
- How many zones would be needed to cover the whole home?
- What's the warranty on the compressor vs. indoor units?
Frequently asked questions.
Do mini-splits also provide heating?
Many modern mini-split systems are heat pumps providing both cooling and heating, worth confirming for the specific model quoted.
All figures on this page are illustrative examples for general education, not quotes, appraisals, or guarantees of actual pricing. Actual costs vary by provider, location, project scope, and market conditions — always get a specific quote before making a purchasing decision.
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