Dyson is a British manufacturer specializing in vacuum cleaners, air purifiers, fans, and hand and hair dryers. They offer a broad selection of stick/handheld vacuums but have also developed canister vacuums as well as more conventional uprights. Regardless of design, they all feature the company's proprietary cyclone technology, which eliminates the need for a dirt bag.
The best cordless vacuum by Dyson that we've tested so far is the Dyson V11 Animal. While it does best on bare floors, it shouldn't struggle to clear most kinds of debris on both low and high-pile carpet. Even though it lasts under 10 minutes on its maximum power setting, you can stretch that out to just over 75 minutes if you use it in its 'ECO' mode. User maintenance is a little less demanding than other Dyson vacuums, as it has fewer parts to take care of than the Dyson Cyclone V10 Absolute and Dyson V8 Animal. It can be easily reconfigured into a handheld vacuum and comes with a solid selection of accessories, including a crevice tool and upholstery brush. That makes cleaning hard-to-reach areas, like high-up shelves or the nooks and crannies of a car's interior, a little easier.
With all that said, its mainly plastic construction feels a little fragile, as though it could break if you dropped it. It also charges very slowly, taking roughly four hours to completely top up its battery. Also, its dirt compartment is a little on the small side, which means it requires fairly frequent emptying. Thankfully, its suction performance stays relatively consistent as it fills, so you won't have to worry about a significant drop in capability when clearing larger messes.
The Dyson Ball Animal 2 is the best Dyson vacuum for carpeted surfaces that we've tested to date. This corded upright delivers an outstanding cleaning performance on low and high-pile carpet, as it's capable of sucking up pet hair as well as small and large debris without issue. Its performance stays fairly consistent as its dirt compartment fills, while its self-adjusting head automatically lifts and lowers to suit shaggier or lower-lying carpets. Because of its corded design and bulky construction, it isn't quite as easy to carry around as other Dyson vacuums, but it does have a long power cord and a wide array of attachments to help you get to hard-to-reach areas. You can even detach the upright wand from the body, though the rest of the machine has to be positioned upright for it to work. Also, this vacuum has virtually no recurring costs, as long as its filters are well-maintained.
On the downside, its build quality is mediocre, with a mainly plastic construction that feels a little flimsy. It's a little hard to disassemble and put back together since it doesn't have easy-clip mechanisms, which allow parts to be quickly clicked into place. There's also an onboard storage rack, but it only has room for a couple of the included tools, which is somewhat disappointing. Still, if you're looking for a vacuum that can easily manage heavily-carpeted surfaces, this is a great choice.
The best Dyson vacuum for bare floors that we've tested so far is the Dyson Cyclone V10 Absolute. This stick/handheld vacuum is highly effective in sucking up everything from pet hair to small debris like baking soda, not to mention larger, denser objects like cereal and sand. It can be reconfigured into a handheld vacuum by simply removing its wand and comes with a good variety of specialized cleaning brushes and tools. Combined with its cordless, lightweight design, it's easy to reach small, out-of-the-way areas as well as shelves and furniture. Since it lacks a dirt bag and comes with a HEPA filter meant to last the lifetime of the machine, there are virtually no recurring costs to worry about.
Unfortunately, despite being fairly easy to take apart and reassemble, user maintenance is still somewhat difficult due to the large number of parts that need regular cleaning. Also, if you have a difficult mess to clean and need maximum suction power, the battery will drain very fast, as it can run out of charge in less then 10 minutes if used continuously on its 'BOOST' setting. That said, normal battery life is decent overall.
Dyson produces a decently large variety of vacuum cleaners that work quite well on different surfaces, though you should expect to pay a hefty premium for that performance and versatility. Most offerings in their lineup are fairly maneuverable, easy to carry around, and come with a wide variety of brushes, but build quality is usually quite plasticky, and user maintenance is a little on the finicky side. In comparison, most Shark vacuums feel slightly better-built but perform worse on carpeted surfaces. Dyson vacuums tend to be stronger and more consistent performers on all surface types than those from BISSELL.
Dyson specializes in producing vacuum cleaners, air purifiers, fans, and hand and hair dryers. They offer a broad selection of stick/handheld vacuums but have also developed canister vacuums and conventional uprights. They don't incur any recurring costs due to the implementation of Dyson's cyclonic technology across their lineup, which eliminates the need for a dirt bag while also filtering out allergens. As a general rule, Dyson vacuums are fairly lightweight, maneuverable, and versatile. That said, they also usually have a long list of parts to regularly clean, plasticky build quality, and, on cordless models, somewhat limited runtime on high-power modes.