iRobot Roomba Plus 415 Combo
A low-profile entry to iRobot’s self-washing mop docks for hard-floor homes; the Plus 515 adds hot-water washing for a little more.
Amazon $599$599
The iRobot Roomba Plus 415 Combo and the iRobot Roomba Plus 515 Combo are evenly matched, rated 3.9 and 3.9.
iRobot Roomba Plus 515 Combo
For large, low-furniture homes that want a hot-wash mopping dock and long runtime without paying for camera obstacle avoidance.
Amazon $599.99$599.99
Prices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | iRobot Roomba Plus 415 Combo | iRobot Roomba Plus 515 Combo |
|---|---|---|
| Overall rating | 3.9/5 | 3.9/5 |
| Cleaning 30% | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots |
| Value 25% | 67 $599 | 67 $600 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-air mop drying | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying |
| Navigation 15% | 65 LiDAR | 65 LiDAR |
| Mopping 10% | 76 Dual spinning pads, lifts 10 mm, extends to edges | 76 Dual spinning pads, lifts 10 mm, extends to edges |
Specifications
| iRobot Roomba Plus 415 Combo | iRobot Roomba Plus 515 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | - | 22,000 Pa |
| Main brush | tangle-free rubber brushes | multi-surface rubber and bristle brush |
| Extending side brush | Yes | - |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10 mm, extends to edges | Dual spinning pads, lifts 10 mm, extends to edges |
| Mop lift | 10 mm | 10 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | - | Yes |
| Hot-air drying | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR | LiDAR |
| Obstacle avoidance | Object sensing (sensor type not given) | Object sensing (sensor type not given) |
| Build | ||
| Height | 3.3 in (84 mm) | 3.3 in (84 mm) |
| Battery | 5,200 mAh | 5,200 mAh |
| Run time | - | Up to 4 h 55 min |
| Weight | 6.4 lb (2.9 kg) | 6.4 lb (2.9 kg) |
| Released | 2026-07 | 2026-07 |