Bluestar Ductable AC Hot and Cold (Available In 5.5 Ton, 8.5 Ton, 11 Ton) Indoor & Outdoor Units. The Bluestar Ductable AC Hot and Cold series provides effective heating and cooling for extreme conditions. Designed for Indian summers and winters, it guarantees maximum performance and energy economy with modern inverter compressor technology. This HVAC system is ideal for anybody looking for consistent year-round temperature management. • Suitable for commercial and industrial applications. • Models include 5.5 Ton, 8.5 Ton, and 11 Ton. • Offers ease of installation, energy efficiency, precise temperature control, and reliability.