If you’re thinking about a DIY multi-zone mini split in 2026, Zone Air and...
https://weekly-wiki.win/index.php/Quietest_Option_for_a_Bedroom:_Wall_Mount_vs_Ceiling_Cassette_vs_Concealed_Ducted_Mini_Splits
If you’re thinking about a DIY multi-zone mini split in 2026, Zone Air and MRCOOL both have solid options that make sense for older homes