... 2. Parallel Technology, IPLV increased by 28% high static Duct air condtiioner1. Patent throttle, throttling energy efficient patented components, ... For G (R) -540,640 DW / GB model) 3. Multi-system design to improve energy efficiency multi-system design, inside and outside the machine is ... , as users can save running costs. (For G (R) -250,320,420 DW / GB models) AUX high static duct air conditioner