In 2026, cold-climate mini splits deliver reliable heat down to -22°F with...

https://romeo-wiki.win/index.php/Choosing_the_Best_Mini_Split_for_a_Workshop_That_Runs_5_to_7_Months_for_Heat

In 2026, cold-climate mini splits deliver reliable heat down to -22°F with efficiency ratings up to 24 SEER2. DIYers save $1,500-$3,000 by installing systems with flexible 8-75 ft line sets