The 5th Gen MRCOOL® DIY® 12K BTU Mini-Split Air Handler offers easy, tool-free installation for spaces up to 550 sq. ft. With a pre-charged QuickConnect® line set (sold separately), no vacuuming is needed. Control it via remote, smartphone app, or voice commands. Features include Gold Fin® corrosion resistance, Follow Me temperature control, Dry Mode dehumidification, and top-tier warranties—comfort and efficiency made simple.