Single-Zone vs. Multi-Zone Mini-Split Systems Compared

https://blogfreely.net/jamittrtdx/7-signs-its-time-to-replace-your-old-ac-unit

Ductless mini-split systems have become one of the most common HVAC choices in Massachusetts — particularly in older homes where installing ductwork is expensive, disruptive, or structurally impractical. But the category is not monolithic