For a DIY multi-zone mini split in 2026, look for quick-connect pre-charged...

https://wiki-wire.win/index.php/Which_Mini_Split_Brands_Are_Respected_But_Not_Really_DIY%3F

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