Aeratron ~ Silent by Nature ~ Efficient by Design. A line of beautiful ceiling fans combined with energy star performance. Aeratron ceiling fans fit seamlessly into any space with energy-efficient elegance. Quality, attention to detail and Swiss engineering have resulted in a collection of simple, functional, aesthetic products inspired by nature. The technology underpinning our fans has allowed us to maintain the coveted ENERGY STAR – MOST EFFICIENT rating for the last 12 years.