In 2026, top cold-climate mini splits hit 24 SEER2 efficiency and operate down...

https://blogfreely.net/rothesqlmw/what-does-seer2-24-actually-mean-for-my-electric-bill

In 2026, top cold-climate mini splits hit 24 SEER2 efficiency and operate down to -22°F, ideal for harsh winters. DIYers appreciate models with 8-75 ft line set flexibility, cutting install costs by $1,500-$3,000