With our Series 12R rooftop units, you can get the exact fit you need plus the features you want. From USB data transfers to innovative refrigerant, with Series 12R units you can literally have it all. Save time and money on installation with this reliable unit. Our Series 12R comes available in two compact cabinet sizes, two footprint sizes and two height options. Enjoy the flexibility to further customize this unit to fit your exact needs. Choose between cooling, electric or gas heating configurations.