Della Optima TP Series Mini-Split AC Review: Cheap, Smart, and (Mostly) Reliable

Ductless AC systems get smart tech features--and the growing pains that come with them. App works well, with voice assistant support. Ductless mini-split air-conditioners have risen in popularity dramatically in recent years. One study now pegs their domestic market share at more than 40 percent compared to larger-scale HVAC units--and the smaller systems are even more popular in Asia and Europe than in the US. Mini-splits make a compelling climate control solution for a number of reasons.