For 2026, the best cold-climate mini splits deliver up to 24 SEER2 efficiency...

https://lilyluxemaids.com/cheapest-mini-split-is-650-why-not-just-buy-that/

For 2026, the best cold-climate mini splits deliver up to 24 SEER2 efficiency and reliable heating down to -22°F. DIYers save $1,500-$3,000 by skipping pro installs