If you're tackling a 3-zone mini split install yourself, a system rated to heat...

https://city-wiki.win/index.php/How_Do_I_Plan_Electrical_for_a_3-Zone_Mini_Split_Before_I_Order%3F

If you're tackling a 3-zone mini split install yourself, a system rated to heat down to -13°F can keep you cozy through harsh winters. Expect to spend around $4,100-$5,600 on the kit alone, plus $300-$800 if you need a pro electrician for hookups