The mankind has experienced tremendous evolutions throughout the history. We got from horses to cars, from theatre to television, from letters to telephone and from records to streaming. Now another evolution takes place within the ventilations industry and even though the headline of this blog may seem like a difficult question, the answer is much more logical and valuable than it may seem at first. Over the past 5 years, the world has seen an increasing number of energy efficiency polices. These, combined with an increasing focus on indoor air quality, raise a demand for new technologies that can help optimize air quality and at the same time reduce energy consumption in buildings. This is where ultrasound and Internet of Things (IOT) becomes part of the picture.