
Sebo AIRBELT K3 Premium
Score: 88/100
Dyson Big Ball
Score: 83/100Rankings

The SEBO Airbelt K3 Premium combines a 1,250 W motor with S-Class filtration and a 37-foot operating radius, delivering powerful, quiet cleaning for mixed floors. Its premium price and lack of detailed suction waterlift data may deter budget shoppers. Ideal for users valuing German quality and quiet operation.

The Dyson Big Ball CY23 is a high-suction canister vacuum with a unique ball-based design that excels on mixed flooring. Its weight and corded operation limit portability and ease of storage. Best suited for users who prioritize suction power and durability over lightweight convenience.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 5.44 kgbest | 8 kg |
1,250 Wbest | — | |
3.03 Lbest | 1.78 L | |
31.12 cm | 34.8 cmbest | |
7.62 mbest | 6.4 m | |
5 yearsbest | — | |
40.01 cmbest | 39.9 cm | |
11.28 mbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(1) | ||
Dust Capacity (L) | 3.03 L | 1.78 L |
Build & Design(4) | ||
Weight (kg) | 5.44 kg | 8.0 kg |
Height (cm) | 31.12 cm | 34.8 cm |
Width (cm) | 40.01 cm | 39.9 cm |
Length (cm) | 59.06 cm | 30.7 cm |
Accessories(1) | ||
Number of Included Accessories | 5 | 7 |
Power(1) | ||
Cord Length (m) | 7.62 m | 6.4 m |
Features(1) | ||
Filtration Type | S-Class | HEPA |


Products in the top-left offer the best value (high score, low price).

Professional reviewers describe the SEBO K3 Premium as a high-efficiency, ultra-quiet mid-size canister that delivers maximum cleaning power through its ET-1 power head and variable suction control. The flat 3.5-inch profile, four-level height adjustment, and hospital-grade filtration are highlighted as engineering strengths, while German build quality and a generous warranty reinforce its premium positioning.
Everyday users consistently praise the K3 for its compact size, strong suction, and quiet operation, noting that it handles both carpet and hard floors with ease. The included attachments and easy maneuverability are frequently mentioned as conveniences, and owners report long-term reliability and satisfaction with the vacuum's performance.

Reviewers commend the CY23 for its powerful 250 AW suction and efficient 2-Tier Radial Root Cyclone system, which together provide deep cleaning without loss of suction. The turbine head's fine-dust pickup and the ball-based self-righting design are repeatedly praised for stability and ease of use across carpets and hard floors. The only notable drawbacks mentioned by experts are its weight and the fact that it remains corded, limiting flexibility.
Everyday users consistently highlight the vacuum's strong suction, effective allergen capture, and the convenience of the hygienic bin and washable filter. Many appreciate the maneuverability offered by the ball and 360° handle. Common criticisms echo the professional notes, focusing on the unit's heaviness, bulkiness, and the restriction of a corded power source.

