The Machine Roomless Elevators save construction sapce to large extent.the permanents megnets synchronous moterd gearless machine have unapprochable superiority to the traction moter and safe roughly 35% of energy consumption featuring excellent reliability and durability ,they have compact design light weight and operate quiety and there is no need for lubrication.
Such elevators become more and more popular because they run at low noise are energy savings easily maintainable and make the building look more aesthetically pleasing.