For 2026, top cold-climate mini splits deliver solid performance down to -22°F...
https://beaussmartwords.rivetgarden.com/posts/do-i-need-a-base-pan-heater-for-cold-climate-mini-splits
For 2026, top cold-climate mini splits deliver solid performance down to -22°F with efficiency ratings up to 24 SEER2. DIY installation cuts costs by $1,500 to $3,000, with most units supporting line sets from 8 to 75 ft for flexible placement