Kyzar Air Conditioning
ClaimServices: AC repair & installation, Duct cleaning, Heating repair, +4 more
The 30-Second Verdict
In Florida's year-round cooling climate, both systems work well — but mini-splits are significantly more energy-efficient, especially in homes with poor duct systems. Central AC is the standard choice for whole-home cooling with one thermostat. Mini-splits excel in additions, converted spaces, or as a replacement for homes where ductwork is problematic. Many Florida homeowners use both.
Head-to-Head Breakdown
Central Air Conditioning
Pros
- Familiar technology — any FL HVAC contractor can service
- Single thermostat simplicity for whole-home cooling
- No visible interior units beyond standard vents
- Lower per-home cost for whole-home systems in properly ducted homes
Cons
- Duct losses — Florida attic ducts in 130°F+ heat lose 20–30% efficiency
- Lower SEER2 ratings than mini-splits
- Cannot independently zone without expensive zoned duct system
Ductless Mini-Split System
Pros
- Highest energy efficiency available — 20–30+ SEER2
- No duct losses — especially valuable in FL's hot attic conditions
- Independent zone control — cool only occupied rooms
- Excellent humidity control in FL's year-round humid climate
- Works for additions, garage conversions, and spaces without ductwork
Cons
- Visible wall units in each room
- Higher whole-home cost for multi-zone installation
- Fewer contractors with deep mini-split expertise (though growing rapidly)
Side-by-Side Comparison
| Central Air Conditioning | Ductless Mini-Split System | |
|---|---|---|
| Efficiency (SEER2) | 15–20 SEER2 for new systems; older systems 10–13 SEER2 | 20–30+ SEER2 for most mini-splits — significantly more efficient |
| Installation Cost | $5,000–$12,000 for a 2,000 sq ft home including ductwork if needed | $1,500–$5,000 per zone; whole-home multi-zone: $8,000–$20,000+ |
| Duct Requirements | Requires duct system — existing or new installation | No ducts required — wall-mounted air handler, small exterior line set |
| Zoning | Single thermostat (unless zoned); whole-home cooling at once | Each zone independently controlled — cool only occupied rooms |
| Humidity Control | Good humidity removal; Florida requires proper sizing to avoid over-cooling before dehumidifying | Excellent humidity control; can run in dry mode independently |
| Maintenance | Change filters monthly in FL; annual professional service | Clean indoor filter monthly; annual professional service |
| Noise Level | Outdoor condenser plus air handler/ductwork noise | Very quiet indoor unit — one of the quietest options available |
| Aesthetics | No visible interior equipment beyond vents | Wall-mounted indoor units visible in each room — some find this unattractive |
Frequently Asked Questions
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