In 2026, DIYers tackling cold-climate mini splits can expect units with up to...

https://www.grandmashousediy.com/best-diy-cold-climate-mini-split-hyper-heat-models-compared-mrcool-vs-cooper-hunter-vs-zone-air-2026/

In 2026, DIYers tackling cold-climate mini splits can expect units with up to 24 SEER2 efficiency and reliable heating down to -22°F. Most models support line sets from 8 to 75 feet, making flexible installs easier than ever