Choosing a DIY mini split in 2026? MRCOOL offers 24 SEER2 efficiency and strong...

https://veloriftlabs.com/s/8xEd2jh8we_GCjyax92_C

Choosing a DIY mini split in 2026? MRCOOL offers 24 SEER2 efficiency and strong value above -15°F. Zone Air’s 23 SEER2 Hyper Heat keeps heating down to -22°F—worth considering if deep-cold performance matters more than price.