For 2026, top DIY cold-climate mini splits deliver up to 24 SEER2 efficiency...

https://wiki-dale.win/index.php/Best_115V_Plug-In_Mini_Split_for_a_Cold_Climate_Garage

For 2026, top DIY cold-climate mini splits deliver up to 24 SEER2 efficiency and heat down to -22°F, perfect for harsh winters. Expect line sets from 8 to 75 feet, letting you place the unit just right