In 2026, cold-climate mini splits shine with efficiency up to 24 SEER2 and...

https://kylersgreatblogs.lumenforgex.com/posts/is-the-mrcool-25-ft-plus-25-ft-coupler-kit-worth-the-hassle-for-your-mini-split-install

In 2026, cold-climate mini splits shine with efficiency up to 24 SEER2 and heating down to -22°F, perfect for harsh winters. DIYers appreciate the 8-75 ft line set flexibility and potential $1,500-$3,000 savings on professional installs