The T90 PRO OMNI upgrade: 40,000 Pa BLAST suction, a pressurized self-rinsing OZMO ROLLER 3.0 and a hot-water OMNI station.
Verdict: A stronger T90 PRO OMNI with a carpet cover for the roller. It costs about $350 more than the T90 PRO OMNI at checked prices, so pick it for the extra suction and carpet protection, not the mop alone.
The DEEBOT T90S PRO OMNI is the follow-up to the T90 PRO OMNI. ECOVACS lists 40,000 Pa BLAST suction (33.9 CFM), an OZMO ROLLER 3.0 rinsed by 32 pressurized fresh-water jets as it mops, TruEdge 3.0 edge cleaning, and a 0.59 in roller lift plus a physical carpet cover. It uses AIVI 3D 4.0 obstacle avoidance, crosses 0.98 in thresholds and has AGENT YIKO voice control. The OMNI station washes the roller with water up to 167°F, dries it with 145°F air, empties the dust bin and dispenses cleaning solution.
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Roborock
Self-emptying Roborock with sonic VibraRise 2.0 mopping, 10,000 Pa suction and 70 days of dock capacity.
Real sonic scrubbing plus self-emptying for about $330. You still wash the mop pad yourself.
Dreame
AquaRoll roller-mop flagship that rinses the roller with fresh water as it mops, with 30,000 Pa suction and legs that climb 3.15 in.
Dreame
Self-emptying vacuum-mop with 20,000 Pa suction and a dock bag that lasts up to 120 days.
Dreame
25,000 Pa vacuum-mop with a TriCut hair-cutting brush, extending mop pads and ultrasonic carpet detection.
