Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms. The company develops a retrofit smart ventilation control system that controls the airflow through air-bricks. Through it, owners will benefit from decreased energy bills, warmer homes, enhanced thermal comfort, a healthy home, and minimal disturbance without compromising on air quality. The smart algorithms allow automatic air flow regulation while taking into account local weather and air quality data. Airex was founded in 2016 and is headquartered in London.