If you’re looking to tackle a 3-zone mini split install yourself, know that...

https://sierra-wiki.win/index.php/Can_I_Install_a_3-Zone_Mini_Split_Alone_or_Do_I_Need_Help%3F

If you’re looking to tackle a 3-zone mini split install yourself, know that these systems can heat down to -13°F and deliver SEER2 ratings up to 24, saving you big on energy bills