If you’re planning a DIY multi-zone mini split, Zone Air and MRCOOL are both...

https://sierra-wiki.win/index.php/Does_a_DIY_Mini_Split_Still_Need_an_Electrician_for_a_230V_Circuit%3F

If you’re planning a DIY multi-zone mini split, Zone Air and MRCOOL are both solid choices, each with their own perks