In 2026, top DIY cold-climate mini splits deliver up to 24 SEER2 efficiency and...

https://cleaneverycorner.com/how-do-i-size-btus-per-square-foot-for-a-cold-climate-garage/

In 2026, top DIY cold-climate mini splits deliver up to 24 SEER2 efficiency and keep heating down to -22°F. Expect savings of $1,500 to $3,000 on installation by choosing units with easy 8-75 ft line sets