Shark PowerDetect ThermaCharged
A good fit for pet owners in smaller homes who want a heated mop wash and dry; its short measured range makes it a poor choice for big floor plans.
Amazon $599.99$599.99
The Shark PowerDetect ThermaCharged is the better robot vacuum overall, rated 4.2 to 3.9. The Shark PowerDetect ThermaCharged leads on navigation. The iRobot Roomba Plus 515 Combo wins on mopping.
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.
Which should you buy?
- Choose the Shark PowerDetect ThermaCharged for navigation (LiDAR + 3D light vs LiDAR).
- Choose the iRobot Roomba Plus 515 Combo for mopping (Dual spinning pads, lifts 10 mm, extends to edges vs Vibrating pad, leaves its mop at the dock for carpet, extends to edges).
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 | Shark PowerDetect ThermaCharged | iRobot Roomba Plus 515 Combo |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Cleaning 30% | 73 measured 89% of sand from carpet, 95% of pet hair, some hair tangled (0.4) | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots |
| Value 25% | 67 $600 | 67 $600 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying |
| Navigation 15% | 85 LiDAR + 3D light | 65 LiDAR |
| Mopping 10% | 62 Vibrating pad, leaves its mop at the dock for carpet, extends to edges | 76 Dual spinning pads, lifts 10 mm, extends to edges |
Independent tests
Shark PowerDetect ThermaCharged
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 89% | 95% | 0.4 | 649 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
iRobot Roomba Plus 515 Combo
No independent test published yet.
Specifications
| Shark PowerDetect ThermaCharged | iRobot Roomba Plus 515 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | - | 22,000 Pa |
| Main brush | - | multi-surface rubber and bristle brush |
| Dustbin | 380 mL | - |
| Mopping | ||
| Mop | Vibrating pad, leaves its mop at the dock for carpet, extends to edges | Dual spinning pads, lifts 10 mm, extends to edges |
| Mop lift | - | 10 mm |
| Leaves mop at dock | Yes | 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 | Yes |
| Hot-air drying | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR |
| Obstacle avoidance | 3D sensor with AI object detection | Object sensing (sensor type not given) |
| Climbs thresholds | 18 mm | - |
| Matter | No | - |
| Voice assistants | Alexa, Google Assistant | - |
| Build | ||
| Height | - | 3.3 in (84 mm) |
| Battery | - | 5,200 mAh |
| Run time | Up to 3 h | Up to 4 h 55 min |
| Weight | - | 6.4 lb (2.9 kg) |
| Warranty | 2 years | - |
| Released | 2025-10 | 2026-07 |