Find out more about how we test. The Dyson DC39 is one of several new models from the British brand and is the first cylinder cleaner to feature Dyson Ball technology The Dyson DC39 is the first ...

But next month, the battle against grime changes forever when Sir James Dyson—the Obi-Wan Kenobi of floor care—unveils his DC39 in the United States. We were told his upgrade to the clumsy ...