That might feel like overkill, but if you're planning to use the L40 Ultra regularly then it's going to save you a significant amount of time and effort. This isn’t Dyson’s first robot vacuum cleaner but, because the brand is a relative newcomer to the scene, it lags behin

To help you find the best vacuums, I've gathered a list of top-performing vacuums from our tests. In the Lab, we put all types of vacuums through extensive testing based on ASTM International industry-standard methods and use a custom-built machine to quantify the amount of embedded dirt tha