Looking to control comfort room by room without a complicated setup? A 3-zone...

https://charlie-wiki.win/index.php/What_Is_the_Zone_Air_Thin-Air_Concealed_Ducted_3-Zone_System_Like%3F

Looking to control comfort room by room without a complicated setup? A 3-zone DIY mini split lets you heat and cool separate spaces efficiently, often down to -13°F, keeping your energy costs low