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

https://wiki-global.win/index.php/Zone_Air_Build_Your_Own_Tool:_How_Does_Configuring_a_Kit_Work%3F

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