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

https://wiki-spirit.win/index.php/Zone_Air_vs_MRCOOL_for_a_2-Zone_Setup_I_Might_Expand_Later

In 2026, top DIY cold-climate mini splits deliver up to 24 SEER2 efficiency and heat down to -22°F, perfect for harsh winters. Models support 8-75 ft line sets, letting you customize installs easily