there isn't a vacuum cleaner brand that can be deemed entirely "noiseless." All vacuum cleaners generate some level of noise while operating due to the motor and suction mechanisms.
However, there are vacuum cleaner brands that are known for producing quieter models compared to others. These brands typically incorporate noise-reduction technologies and design features to minimize the sound levels without compromising cleaning performance. Some popular brands with quieter vacuum cleaner models include:
Dyson: Dyson is well-known for its innovative vacuum cleaners and has made efforts to reduce noise levels in their products. Their Ball Animal 2 and V8 Absolute models have been praised for being relatively quiet during operation.
Miele: Miele is a German manufacturer that produces high-quality vacuum cleaners. Some of their models feature specially designed motors and insulation to reduce noise levels, making them quieter during use.
Shark: Shark vacuums have gained popularity for their cleaning performance and relatively lower noise levels compared to some other brands. Their DuoClean and Navigator Lift-Away series have been well-regarded for being quieter options.
Electrolux: Electrolux offers a range of vacuum cleaners designed with noise reduction in mind. Their UltraSilencer series, as the name suggests, is known for operating at lower sound levels.
Remember that the perceived noise level of a vacuum cleaner can be subjective, and what might be considered quiet for one person may not be the same for another. When looking for a quieter vacuum cleaner, it's a good idea to read reviews, compare decibel (dB) ratings, and possibly try out the model in a store if possible to get a sense of its noise level.
Since technologies and product offerings can change over time, I recommend checking the latest reviews and updates to find the best noise-reducing vacuum cleaner options available at the time of your search (as of 2023).