Choosing between MRCOOL and Zone Air DIY mini splits comes down to your setup....

https://beaussmartwords.rivetgarden.com/posts/will-a-diy-mini-split-heat-at-13degf-a-real-world-look-at-cold-climate-heating-performance

Choosing between MRCOOL and Zone Air DIY mini splits comes down to your setup. MRCOOL’s 24 SEER2 system at $2,049.99 offers custom 8-75 ft line sets, perfect for odd layouts. Zone Air’s 23.5 SEER2 model is $1,899