Each arm has a vertical blade, a surface with two waves that change their angle of attack across its height and length. Traditional wind turbines ... in office and residential buildings at ...

The fence consists of vertical wind turbines, is modular, and, most importantly, is pleasing to the eye, making it more likely to be adopted in hotels, corporate buildings, and residential units.

A 100-foot wind ... of Flower Turbines, says the company’s 3-foot to 20-foot high vertical-axis turbines are designed to be quieter, more bird-friendly, and visually appealing for residential ...