If you’re looking to DIY a multi-zone mini split in 2026, Zone Air and MRCOOL...

https://garrettssmartcolumn.opalvector.com/posts/is-fan-only-mode-worth-using-in-spring-and-fall-on-a-mini-split

If you’re looking to DIY a multi-zone mini split in 2026, Zone Air and MRCOOL stand out for a couple of practical reasons. Zone Air’s systems offer cut-to-length line sets, which means less waste and easier installation in older homes with tricky walls