In 2026, the best DIY mini splits for cold climates run efficiently down to...

https://wiki-saloon.win/index.php/Is_a_DIY_Mini_Split_Legal_to_Install_Without_an_HVAC_License%3F

In 2026, the best DIY mini splits for cold climates run efficiently down to -22°F with ratings up to 24 SEER2. Models with 8-75 ft line sets fit tight spaces perfectly. Expect $1,500-$3,000 in install savings compared to pros