EcoAir Zephyr and Aura fans are so energy efficient that you get high performance for a low energy consumption. Powered by an energy efficient DC motor, it delivers high velocity and an amazingly ultra quite performance. Coupled with the powerful airflow fan blade design they give an unprecedented low noise volume from as low as 27 dBa. Typically fans only come with 2 or 3 speed settings. The Zephyr and Aura however, delivers up to 26 speed settings, with 9 special speed settings dedicated for Chilling or Sleeping using only 0.35 watts to maximum of 27 watts. This range of speed settings not only allow you to exactly select the cooling mode, it can also be use to promote healthy air circulation. As if that\'s not enough you can even select a mode that mimics nature\'s rhythmic breeze. There is also a multitude of electronic wizardry like heat temperature sensor, remote control, wide angle oscillation, on off timer, large back lit led display with night function, all accessible from the control panel or the full function remote controller. Ideal for home and office, this fan is powerful, quiet, its just not the average fan. Zephyr and Aura fans does not only help to circulate cool indoor air in the summer, let them help to circulate your heated air during winter too!