Shark Clean & Empty โ€“ Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521

TLDR Review: Shark BU3521 Vacuum

Published: September 16th, 2024

Pros

  • โ€ขLightweight design makes it easy to maneuver
  • โ€ขAutmpty feature offers convenience and less manual work
  • โ€ขGood suction power is effective on various surfaces
  • โ€ขEasy to use, with useriendly controls
  • โ€ขBattery life is sufficient to complete cleaning tasks
  • โ€ขCompact design ensures it doesnโ€™t take up much space
  • โ€ขBrushroll design helps prevent hair tangling, perfect for pet owners

Cons

  • โ€ขNoisy during the autmpty process, which may be disruptive
  • โ€ขStruggles a bit with thick carpet, needing more suction for deep cleaning
  • โ€ขAwkward handle and battery placement may affect comfort and usability
  • โ€ขThe debris bin could be larger to minimize frequent emptying

Bottom Line

The Shark Clean & Empty Cordless Vacuum excels in portability and ease of use with its lightweight design and auto-empty system. Itโ€™s an excellent choice for individuals with pets due to its anti-hair wrap technology and sufficient suction power. However, it falls short on thick carpets and may be a bit noisy during auto-emptying. For those primarily dealing with hard floors and who appreciate easy maintenance, this vacuum is a solid contender. If you have extensive carpeted areas, you may need to consider additional or alternate cleaning solutions.

Lowest at Amazon
$285.00 at Amazon
Lowest at any Popular Retailer
$218.57 at AliExpress

Where to Buy

Prices last updated: July 12th 2025 6:18 pm
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