In 2026, the best DIY cold-climate mini splits deliver up to 24 SEER2...

https://www.cast-bookmarks.win/looking-for-a-cold-climate-mini-split-in-2026-models-hitting-24-seer2-maintain

In 2026, the best DIY cold-climate mini splits deliver up to 24 SEER2 efficiency and heat down to -22°F, keeping your home cozy year-round. Expect to save $1,500 to $3,000 on professional installation by handling the setup yourself