For 2026 cold-climate DIY mini split installs, look for units with at least 24...

https://cleaningservicesgrandrapidsmi.com/cooper-hunter-reviews-are-all-over-the-place-where-to-look-for-reliable-info/

For 2026 cold-climate DIY mini split installs, look for units with at least 24 SEER2 efficiency and heating down to -22°F. Models with 8-75 ft line sets give flexibility for placement. Expect to save $1,500 to $3,000 on installs by going DIY