For decades, Dyson vacuums have been banishing all manner of dust and dirt from our homes. They're certainly among our favorites here at Homes & Gardens, and from the 200+ hours I've spent testing ...

One reviewer says their vacuum now runs “almost twice as long” thanks to this simple upgrade.

Shark and Dyson are two top vacuum brands that often meet head-to-head in our lab tests. We've compared their features and performance to help you decide.