Mini-split
- No usable ducts exist
- A few priority zones need conditioning
- Room-by-room control matters
US SYSTEM COMPARISON
Mini-split vs. central AC
Compare zoning, ducts, indoor-unit placement, electrical work and whole-home distribution.
| Decision | Mini-split | Central AC |
|---|---|---|
| Distribution | Indoor units by zone | Central ducts |
| Zoning | Native room or area control | Depends on duct zoning |
| Duct requirement | No full duct system | Existing or new ducts |
| Visual impact | Indoor heads or concealed units | Supply and return registers |
| Quote focus | Zone loads and line routes | Duct condition and airflow |
Fit check
When each route deserves a closer look
Central AC
- A sound duct system already exists
- Whole-home cooling is the goal
- Central filtration and distribution are priorities
Comparison questions
Keep the assumptions equal.
Is Mini-split always cheaper than Central AC?+
No. Equipment, existing infrastructure, local labor, permits, financing and operating cost must be compared with the same home assumptions.
How should I compare Mini-split and Central AC quotes?+
Give bidders the same home data and require itemized equipment, labor, electrical or fuel work, permits, commissioning, exclusions and warranties.