Johnson Controls, Milwaukee, Wisconsin, officially launches its new line of commercial rooftop units. The Choice line is available in high-efficiency, ultra-high-efficiency and heat pump models. The 12.5- to 27.5-ton RTUs can be configured for cooling only, stage-gas heating, modulating gas heating, and now heat pump operation in conjunction with factory-installed electric heating. It is available in dedicated downflow in 15 to 27.5 tons, or side flow in 15- to 25-ton configuration.
The ultra-high-efficiency Choice rooftop unit leverages a combination of Copeland ZPKZ fixed speed, ZPS two-stage, and SPV variable speed compressor technology. Johnson Controls Choice, York Sun Choice, and TempMaster Omni Choice rooftop units feature a convertible filter rack with pleated filters up to MERV 13.