For 2026, top DIY cold-climate mini splits offer efficiency around 24 SEER2 and...

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

For 2026, top DIY cold-climate mini splits offer efficiency around 24 SEER2 and reliable heating down to -22°F. Most kits support 8-75 ft line sets, allowing flexible placement