Ecovacs Deebot T90 Pro Omni · iRobot Roomba Max 775 Combo

The OZMO Roller 3.0 delivers near-record dried-stain scores, but the 250 ml dustbin means the robot interrupts longer sessions to self-empty, effectively capping single-pass coverage on large open floors.

Mini-ToF LiDAR navigation is reliable in open layouts; in cluttered spaces, the system avoids obstacles by skipping whole zones rather than routing around them.

You are paying flagship money for the dock rather than the navigation. The AutoWash Dock is not new hardware, it has been iRobot’s mop-washing base since the Combo 10 Max in 2024, but it is where most of the price and all of the floor space goes.

Hot-water capability removes manual mop-fill friction, but it shifts dock failure modes from simple (a clogged nozzle) to compound (water circulation, heating, the roller wash cycle). Recovery means dock troubleshooting, not just a part swap.

Longitudinal data is thin. The machine launched in June 2026, so owner reports on roller wear, the dock’s water circuit and long-run map stability are still sparse. The classification rests on published specification more than on accumulated field evidence.

Cluttered rooms with dense furniture and thin chair legs

This record carries no verified independent navigation testing for the T90 Pro Omni, so its behavior around thin chair legs and dense clutter is unconfirmed. In tightly furnished rooms, coverage should be treated as unknown rather than assumed.

Homes with primarily high-pile or thick shag carpet

Carpet deep-clean performance is not verified for this model in this record. The documented feature set centers on the OZMO Roller mop and the washing dock, and no independent deep-extraction measurement supports use on high-pile or shag carpet.

Owners with large dustbin needs who run infrequent cleaning sessions

The onboard dustbin is 250 ml, roughly 30% smaller than the category average, requiring frequent dock returns during long sessions. Auto-empty mitigates this if the dock is accessible mid-run.

Households that need a documented Matter or HomeKit path

Ecovacs' T90 Pro Omni specification page lists no Matter, HomeKit, Alexa or Google Home support. Its smart-home material covers the AGENT YIKO assistant and Y-SpeechAI voice control instead. Anyone depending on a particular standard should confirm with Ecovacs before buying.

Homes with frequent layout changes

The stored map is what the robot routes against, and a major furniture rearrangement means updating it before zones and schedules line up again. Lighting is not part of this: LiDAR maps in the dark.

Renters or homes with restrictive power outlet placement

The AutoWash Dock needs permanent AC power and a dedicated footprint of 17.7 x 16.7 x 17 in at about 19 lb. There is no battery-dock option, and moving the dock means the robot has to re-establish itself against the map. Smaller fixed-dock units suit temporary living better.

Owners prioritizing absolute minimum maintenance

A dock with clean and dirty water tanks is more to look after than an auto-empty base: tanks to fill and drain, a wash tray to wipe, and a debris bag to change. An auto-empty-only vacuum has one of those chores.

Single-floor apartments under 1,500 sqft seeking mop-only performance

Oversized for a mop-only home in both senses: the robot is 14.7 in front to back and the dock claims a permanent 17.7 by 16.7 in of floor. Vacuum-to-mop time is weighted toward vacuuming, and a dedicated mop unit is simpler in a compact space.