For a DIY multi-zone mini split in 2026, look for quick-connect pre-charged...
https://station-wiki.win/index.php/How_Do_I_Test_Each_Zone_After_Startup%3F_A_Homeowner%E2%80%99s_Guide_to_Multi-Zone_Mini_Splits
For a DIY multi-zone mini split in 2026, look for quick-connect pre-charged line sets to save time and fuss. Check the SEER2 rating for energy efficiency. Make sure the system performs well in cold weather at 17°F and 0°F