Skip to content

CrossWave HF3 vs BU3521UK Cordless Vacuums

Torn between CrossWave HF3 and BU3521UK for your next cordless vacuum?

CrossWave HF3 cordless vac
Bissell CrossWave HF3
BU3521UK cordless vac
Shark BU3521UK

We examine the CrossWave HF3 – a battery-power vacuum by Bissell, comparing runtime, dust tank, and costs, with – BU3521UK by Shark, analysing real-world vacuuming performance.

By assessing these vacuums – the CrossWave HF3 and BU3521UK from BISSELL and SHARK, you get the best floorcare machine.

Best Cordless Vacuum Pick

Best Pick

Best Buy: Shark PowerPro Cordless Stick Vacuum

Best cordless vacuum – Shark PowerPro – beating CrossWave HF3 and BU3521UK on performance and value

Limited Offer

Get Deal

BISSELL CrossWave HF3 vs SHARK BU3521UK – key Specifications

BISSELL CrossWave HF3 Specs

CrossWave HF3 vacuum specs
  • Product Brand: BISSELL
  • Cordless Vacuum Model: CrossWave HF3
  • Type of Vacuum: Upright
  • Battery Life: 25 Minutes
  • Dirt Tank Capacity: 0.58L
  • Weight: 4.3KG
  • Colour: White & Grey
  • RRP: £179.00

SHARK BU3521UK Specs

BU3521UK vacuum specs
  • Product Brand: SHARK
  • Cordless Vacuum Model: BU3521UK
  • Type of Vacuum: Stick
  • Battery Life: 40 Minutes
  • Dirt Tank Capacity: 0.42L
  • Weight: 2.7KG
  • Colour: Navy Blue & White
  • RRP: £349.99

CrossWave HF3 and BU3521UK Cordless Battery Run Time

BISSELL Upright cordless vacuums, like the CrossWave HF3, provides lightweight portability without mains cables. BU3521UK Stick is also cordlessly powered by a SHARK rechargeable battery.

The Shark BU3521UK has a battery supply runtime of 40 minutes of cleaning, compared to the Bissell CrossWave HF3 which has 25 minutes life.

  • BISSELL CrossWave HF3 Runtime: 25 mins continuous vacuuming
  • SHARK BU3521UK Runtime: 40 mins continuous vacuuming

Charging times between the CrossWave HF3 and BU3521UK varies – check manual.

Cordless Vacuum Dust Tank Capacity

Both Bissell CrossWave HF3 and Shark BU3521UK are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.58 litre and 0.42 litre tank, respectively. The BU3521UK by SHARK holds up to 0.42 Litre of compressed dirty particles. The CrossWave HF3 by BISSELL has a capable capacity of 0.58 litre for manual disposable.

  • CrossWave HF3 onboard dirt/dust tank size: 0.58L
  • BU3521UK onboard dirt/dust tank size: 0.42L

Floor Cleaning Types

Bissell’s CrossWave HF3 and Shark’s BU3521UK brush heads are effective on every surface – carpets & deep-pile rugs, hard floors (laminate, wood, tiles), vinyl, even upholstery, and stairs.

Their only limitation is the BU3521UK and CrossWave HF3 can’t vacuum liquids. For this, a SHARK or BISSELL ‘wet and dry’ vacuum is needed.

Most Bissell and Shark battery powered vacuums include accessories. Check CrossWave HF3 or BU3521UK manual for specifications and attachments.

Vacuum Filtration

The BU3521UK and BISSELL CrossWave HF3 include effective filters to capture dust, dander, pollen, hairs, and fibres.

BISSELL and SHARK use HEPA, foam, or cloth, filters. CrossWave HF3 and BU3521UK maintain suction and clean exhaust air.

SHARK and BISSELL Reviews

Combined feedback from 64 reviewers shows the CrossWave HF3 with a rating of 4.2/5 stars, and the BU3521UK vacuum gains a 4.4/5 average from 128 reviews, showing comparable reliability results.

BrandModelRuntimeWeightTankBest Price
BISSELLCrossWave HF325 M4.30.58L£179.00
SHARKBU3521UK40 M2.70.42L£349.99
BU3521UK vs CrossWave HF3 Cordless Vac Specs
Best Pick

Best Buy: Shark PowerPro Cordless Stick Vacuum

Best cordless vacuum – Shark PowerPro – beating CrossWave HF3 and BU3521UK on performance and value

Limited Offer

Get Deal