Johnson Controls introduces seven new duct-free mini-split air conditioners for its York brand. The Z Series is a 30.5 SEER single-zone system. Other models include a 20 SEER R Series unit, and the 22 SEER multi-zone W Series featuring a central controller that can operate up to 16 indoor units. Wired and wi-fi communication platforms are available. Operating temperatures range from -22°F to 129°F, and capacities range from 3/4 ton to 4 tons. Check with your dealer for pricing.