
iRobot Roomba Combo j9+ Self-Emptying & Auto-Fill Robot Vacuum
Quick Specs
- Type
- 2-in-1 robot vacuum and mop
- Suction
- 100% stronger than Combo i Series
- Mopping
- Auto-Retract system with SmartScrub (back-and-forth pressure)
- Navigation
- PrecisionVision with camera, obstacle avoidance
- Intelligence
- Dirt Detective (room prioritization), iRobot OS
- Dock
- Clean Base Auto-Fill (60-day debris, 30-day water)
- Mapping
- 7x faster complete home mapping
- Cleaning
- 4-stage system, dual rubber brushes, 3 suction levels
- Weight
- 8.98 lb
- Surfaces
- All carpet types, hard floors (seamless transition)
About This Vacuum
Meet the iRobot Roomba Combo j9+—a premium 2-in-1 robot that vacuums and mops with zero intervention from you. Its standout feature is the Auto-Retract Mopping System, which lifts the mop pad completely onto the robot when it detects carpet, keeping rugs dry while seamlessly transitioning between surfaces. With 100% stronger suction than previous Combo models and SmartScrub technology, it scrubs back-and-forth with consistent pressure for deeper cleaning on stubborn spots like mudroom pawprints or kitchen spills. The Clean Base Auto-Fill Dock handles the maintenance for up to 60 days of debris emptying and 30 days of water refilling—true hands-free operation. Dirt Detective intelligence learns your home's patterns and automatically cleans the dirtiest rooms first, saves bathrooms for last, and adjusts suction and scrubbing based on each area's needs. PrecisionVision Navigation uses a camera to identify and avoid obstacles like pet waste, cords, and shoes in real-time, while creating a complete home map 7x faster than previous mapping technology. This robot excels in homes with mixed flooring, pets, and busy schedules where daily maintenance feels overwhelming. The 4-stage cleaning system combines dual rubber brushes, edge-sweeping, powerful suction, and pressure mopping for thorough coverage. At 8.98 lb, it's substantial but moves efficiently in neat rows for wall-to-wall cleaning. The main trade-off is the premium price point and dependency on the dock system—this is built for users who want the most automated cleaning experience possible.
Frequently Asked Questions
According to the majority of reviewers, the iRobot Roomba Combo j9+ performs reasonably well on carpets, though some users have reported it struggling with thicker or high-pile carpets. The suction power is generally considered adequate for most standard carpeted floors.
Quick Specs
- Type
- 2-in-1 robot vacuum and mop
- Suction
- 100% stronger than Combo i Series
- Mopping
- Auto-Retract system with SmartScrub (back-and-forth pressure)
- Navigation
- PrecisionVision with camera, obstacle avoidance
- Intelligence
- Dirt Detective (room prioritization), iRobot OS
- Dock
- Clean Base Auto-Fill (60-day debris, 30-day water)
- Mapping
- 7x faster complete home mapping
- Cleaning
- 4-stage system, dual rubber brushes, 3 suction levels
- Weight
- 8.98 lb
- Surfaces
- All carpet types, hard floors (seamless transition)
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