In 2026, DIY cold-climate mini splits offer solid efficiency with models...

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

In 2026, DIY cold-climate mini splits offer solid efficiency with models hitting up to 24 SEER2 and reliable heating down to -22°F. They support line sets between 8 and 75 feet, giving flexible placement