For 2026, the best DIY cold-climate mini splits handle down to -22°F and offer...

https://codysnewinsight.swiftnestly.com/posts/pioneer-quantum-ultra-23-seer2-why-people-still-pick-hyper-heat-models-for-cold-climate-heating

For 2026, the best DIY cold-climate mini splits handle down to -22°F and offer impressive 24 SEER2 efficiency. Expect line sets from 8 to 75 feet, making installation flexible for most homes. You’ll save $1,500-$3,000 compared to pros