The answer to 'which is better mini split or' is that mini-split systems and central air conditioning systems both have their own advantages and the 'better' option depends on the specific needs and situation of the homeowner. Mini-split systems are ductless, more energy-efficient, and can provide heating and cooling to individual rooms. Central air conditioning systems are better suited for larger homes, offer whole-home cooling, and may be less expensive to install in some cases.
Mini-split systems are a good choice for homes without existing ductwork, additions, or rooms that are difficult to cool. They allow for zoned temperature control and can be more energy-efficient than central air. However, the upfront installation costs are typically higher. Central air conditioning systems are a better fit for larger homes, provide whole-home cooling, and may have lower installation costs in some situations. The tradeoff is they are less energy-efficient and cannot provide zoned temperature control.