In 2026, cold-climate mini splits deliver reliable heat down to -22°F with...

https://www.slideserve.com/gwyneyxcez/what-does-cop-2-1-mean-for-heat-pump-heating-costs

In 2026, cold-climate mini splits deliver reliable heat down to -22°F with impressive efficiency ratings up to 24 SEER2. DIY-friendly models support line sets from 8 to 75 feet, cutting professional installation costs by $1,500 to $3,000