IFB Fastcool ACs can turn any area into a cool haven. Even in situations where the outside temperature approaches 58°C, the IFB AC's Variable Velocity Twin Rotary Heavy Duty Compressor performs flawlessly.uses a strong fan motor and an aerodynamic 360° blower to effectively cool even huge rooms.Our air conditioners are long-lasting. Learn about the characteristics that guarantee they will provide years of effective cooling with very little maintenance.