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 heat down to -22°F, making them great for harsh winters. Expect to save $1,500 to $3,000 by DIY installing using line sets from 8 to 75 ft