RoamBroom
Self-Emptying Bots

iRobot Roomba s9

by iRobot★★★★☆ 4.5(1,387 reviews)

The iRobot Roomba s9 remains one of the most powerful and intelligent robot vacuums on the market, combining superior suction, smart navigation, and a corner-friendly design.

Suction Power
10x Power-Lifting Suction
Navigation
vSLAM mapping with Imprint technology
Battery Life
Up to 120 minutes
Dustbin Capacity
0.4 liters (robot) / 60 days (Clean Base)
$499Latest checked price Check price on Amazon →
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9.0OUT OF 10
The RoamBroom Verdict

The iRobot Roomba s9 remains one of the most powerful and intelligent robot vacuums on the market, combining superior suction, smart navigation, and a corner-friendly design. While its premium price and accessory costs are a significant investment, the convenience of automatic dirt disposal and thorough cleaning performance make it a strong choice for households seeking a hands-off, high-performance cleaning solution.

Key Features

Corner-hugging D-shape design for edge and corner cleaning

PerfectEdge technology with edge-sweeping brush

10x the suction power of Roomba 600 series

Dual rubber multi-surface brushes

Smart mapping with Imprint technology

Compatible with Clean Base Automatic Dirt Disposal

Full bin indicator and self-emptying capability

App control with room-specific cleaning and scheduling

Voice assistant compatibility (Alexa, Google Assistant)

Recharge and resume function for large spaces

Technical Specifications

Suction Power10x Power-Lifting Suction
Battery LifeUp to 120 minutes
Dustbin Capacity0.4 liters (robot) / 60 days (Clean Base)
NavigationvSLAM mapping with Imprint technology
Dimensions13.3 x 12.3 x 3.5 inches

What we liked

  • Exceptional suction power for deep cleaning carpets and hard floors
  • D-shape design reaches into corners better than round robots
  • Automatic dirt disposal base keeps hands free from dust for weeks
  • Precise mapping allows for room-specific and zone cleaning
  • Handles pet hair extremely well without tangling
  • Quiet operation compared to earlier Roomba models

Worth noting

  • Very high price point compared to competitors
  • Clean Base replacement bags add ongoing cost
  • Can struggle with thin cords and small objects on floor
  • Larger size may have trouble in tight furniture spaces
  • Occasional need to manually intervene with mapping errors
iRobot Roomba s9

iRobot Roomba s9

by iRobot · ★ 4.5/5

  • Powerful 10x suction
  • Self-emptying base
  • Precision corner cleaning

$499

Check price on Amazon →
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In-Depth Review

The iRobot Roomba s9 represents the pinnacle of engineering in premium robotic vacuum design, built specifically for homeowners who demand thorough cleaning without lifting a finger. Its distinctive D-shaped design isn't just a styling choice—it's a functional breakthrough that allows the robot to fit perfectly into corners and along straight edges where traditional round robots leave debris behind. Equipped with the brand's most powerful suction to date, rated at 40 times the power of earlier Roomba models, the s9 tackles embedded dirt, pet hair, and debris on both carpets and hard floors with equal effectiveness. The dual rubber brushes are specifically engineered to resist tangling from long hair and fibers, a common frustration with lesser robot vacuums, making this an excellent choice for pet owners and families with long-haired members. What truly sets the Roomba s9 apart is its intelligent navigation system, powered by iRobot's PrecisionVision technology combined with vSLAM mapping. The robot builds detailed floor plans of your home, learning the layout room by room and allowing you to customize cleaning schedules for specific areas through the iRobot Home app. You can direct it to focus on the kitchen after dinner or avoid the nursery during nap time, giving you granular control that feels remarkably intuitive. The robot also identifies its own charging dock with impressive accuracy and returns to resume cleaning exactly where it left off if the battery runs low mid-session, ensuring no room gets neglected during larger cleaning cycles. When paired with the Clean Base Automatic Dirt Disposal accessory, the Roomba s9 transforms into a nearly hands-free cleaning solution, capable of emptying its own bin into a sealed bag that holds up to 60 days' worth of dirt and debris. This feature alone eliminates one of the most tedious aspects of robot vacuum ownership. The s9 also boasts significantly improved obstacle detection, easily navigating around cables, shoes, and furniture legs without getting stuck, while its quieter motor operation means it can run during the day without becoming a household disruption. For anyone serious about maintaining consistently clean floors with minimal manual intervention, the Roomba s9 delivers a level of performance and convenience that remains a benchmark in the robot vacuum category.

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