For 2026, cold-climate mini splits hitting -22°F with up to 24 SEER2 deliver...

https://super-wiki.win/index.php/Cooper_and_Hunter_HSPF2_13_vs_MRCOOL_HSPF2_10:_Real_Differences_for_Cold-Climate_Mini_Split_Buyers

For 2026, cold-climate mini splits hitting -22°F with up to 24 SEER2 deliver solid heat and efficiency for DIYers. Expect savings of $1,500 to $3,000 by handling installs yourself