Ductless mini splits used to be a niche product for additions and garages. Today they compete with central air for whole-home comfort. Here is how they stack up.
Efficiency and zoning
Mini splits skip the ducts, which in a typical attic lose 20 to 30 percent of the conditioned air. Each indoor unit is its own zone, so you cool the rooms you use. That is why ductless systems often post the highest efficiency ratings on the market. Central air with good, sealed ducts is efficient too, especially with a modern variable-speed system, and it keeps every room on one thermostat.
Cost
For a home that already has sound ductwork, replacing the central system is usually cheaper than installing four or five ductless zones. For a home with no ducts, or with ducts that need replacement, ductless is often the better value. Our team can price both after a walkthrough. See ductless mini split installation and central AC installation.
Aesthetics and noise
Mini splits put a visible unit on the wall in each zone but run whisper quiet. Central air hides everything behind grilles. Ceiling cassette and concealed-duct ductless heads split the difference.
Best uses for ductless
- ADUs, garage conversions and additions
- Older homes with no ducts
- A bedroom or office that never gets comfortable
- Homes where the owners want room-by-room control
Best uses for central air
- Homes with existing, well-sealed ducts
- Larger homes where many zones would get expensive
- Owners who prefer a single thermostat and hidden equipment
Either way, the installation quality matters more than the brand. Call (855) 459-5498 for an honest comparison, or find ductless service in your city.