For 2026, DIYers tackling cold-climate mini splits will find top models...

https://station-wiki.win/index.php/Is_a_DIY_Mini_Split_Legal_to_Install_Without_an_HVAC_License%3F

For 2026, DIYers tackling cold-climate mini splits will find top models delivering up to 24 SEER2 and reliable heat down to -22°F. These systems support line sets from 8 to 75 feet, offering flexibility for tricky layouts