Fur, cereal, coffee grounds, mites, sand, glitter, dust, hair, dander, booklice, kitty litter — there’s a whole underworld of grossness hiding on your floors and deep inside your carpets and rugs.Only a powerful plug-in upright or canister vacuum can take on all of the above, making your home sweet home cleaner and less crawly. The best ones work on different types of floors, filter allergens and pollutants, and last for years.After testing dozens of models, we have four to recommend.