In 2026, top cold-climate mini splits hit 24 SEER2 efficiency and run smoothly...

https://www.toro-bookmarks.win/for-2026-top-cold-climate-mini-splits-hit-24-seer2-and-heat-reliably-down-to

In 2026, top cold-climate mini splits hit 24 SEER2 efficiency and run smoothly down to -22°F. DIY installers save $1,500 to $3,000 by handling setups with 8-75 ft line sets