The faster the airflow, the stronger the suction, and the more efficient the vacuum cleaner. You should expect most vacuum cleaners to offer between 100-300AW in the UK and the rest of Europe.

Dyson attributes the vacuum's suction power to a 110,000 rpm motor that creates forces of 100,000 grams to capture dust. Also: Watch out, Roomba: This 2-in-1 vacuum can do just about everything ...