Best Lightweight Vacuum: Dyson Micro 1.5kg Cordless Vacuum The Dyson Micro 1.5kg Cordless Vacuum ($400) is a great choice for me because I live in a small space. It not only works amazing, but it doesn't take up too much room. Image Source: dyson.com Dyson Micro 1.5kg Cordless Vacuum $400 from dyson.com Buy Now