In 2026, DIY mini splits built for cold climates hit new highs with efficiency...

https://station-wiki.win/index.php/MRCOOL_DIY_5th_Gen_12K_Specs_I_Should_Compare_Before_Buying

In 2026, DIY mini splits built for cold climates hit new highs with efficiency up to 24 SEER2 and reliable heating down to -22°F. Systems with an 8-75 ft line set range save $1,500-$3,000 on professional installs