Looking to heat and cool multiple rooms without rewiring your whole house? A...

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

Looking to heat and cool multiple rooms without rewiring your whole house? A 3-zone DIY mini split can handle that efficiently, often boasting a SEER2 rating up to 24 for serious energy savings