For 2026, the best cold-climate mini splits deliver reliable heat down to -22°F...

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

For 2026, the best cold-climate mini splits deliver reliable heat down to -22°F with impressive 24 SEER2 efficiency. Expect $1,500 to $3,000 savings on installation with easy DIY setups using 8 to 75 ft line sets