In 2026, the top DIY cold-climate mini splits hit up to 24 SEER2 with reliable...

https://griffinsnewthoughts.capitaljays.com/posts/della-hyper-heat-rated-to-13degf-is-that-enough-for-my-area

In 2026, the top DIY cold-climate mini splits hit up to 24 SEER2 with reliable heating down to -22°F. Installation saves $1,500-$3,000 compared to pros, thanks to user-friendly kits and clear manuals