eufy Robot Vacuum Omni C28 White review

The eufy Robot Vacuum Omni C28 White is the T211A120 package: a vacuum-and-mop robot paired with an Omni station. Its selling point is a roller mop that is washed and refreshed during the job, plus an automatic dock for dust and water chores. It is most at home on hard floors with a route that can accommodate the robot and station. It is not a mop-only machine, and its manual is unusually clear that high-pile rugs or rugs thicker than 18 mm can cause malfunction.

A useful all-in-one plan, with a real operating boundary

eufy lists 15,000 Pa maximum suction and a HydroJet self-cleaning roller. The product page also names DuoSpiral detangling brushes and iPath 2.0 navigation. Treat the suction figure as a manufacturer specification, not a measured pickup result, and the obstacle-avoidance language as a design claim rather than a promise that the robot will recognize every cable, toy, or pet-related obstacle. The roller is the meaningful distinction: this is not a model with two spinning pads or a disposable flat cloth.

The Omni station combines dust emptying, roller washing, water refilling, hot-air drying, and wastewater collection. That shifts some work to the dock, but it does not remove the routine. The manual lists a 3 L dust bag and 2.2 L clean- and dirty-water tanks in the station; the robot itself has a 120 ml clean-water reservoir and a 100 ml dirty-water reservoir. You still fill, empty, and clean the tanks, replace the bag, and maintain the roller and tray. The station is a substantial object: the guide lists 430 × 352.5 × 437 mm and 13.56 lb. It asks for clear space around the station, so measure its intended parking spot rather than shopping from the robot dimensions alone.

Choose a floor routine the C28 actually supports

The C28 can vacuum without mopping or vacuum and mop together. eufy's exact-model support answer says it does not offer a mopping-only mode; the company says running the roller without vacuuming can increase the chance of roller-motor trouble and debris collecting in the residual-water tray. If your regular plan is to mop after a separate vacuum pass, that missing mode is a deal-breaker, not a setting to look for later. The machine also is not intended to vacuum up large amounts of water.

The C28 is a sensible shortlist candidate when a roller system and station washing matter more than a particular suction number. Do not translate “self-cleaning” into a no-maintenance promise. Dirty water still has to go somewhere, and the guide says to rinse and empty reservoirs as directed. eufy describes warm-air drying but does not give a temperature in the manual; neither the dryer nor a hot-air claim establishes a dock wash-water temperature or warm water delivered to the floor.

Measure thresholds, rugs, and network before you commit

eufy's C28 support page says the robot is designed to cross thresholds up to 2 cm. It also warns that slippery surfaces such as metal sills may defeat that movement and suggests an auxiliary strip when a threshold exceeds the stated limit. This is a manufacturer maximum, not a guarantee for every joint, approach angle, or rug edge. A 2 cm answer in the finder therefore means that a claim exists; measure your own transition and leave margin.

The manual says to avoid high-pile rugs and rugs thicker than 18 mm because they may cause malfunction. It does not establish a supported pile-height range, so a requirement for a documented high-pile capability should rule the C28 out. The guide lists the robot at 349.8 × 327 × 110.6 mm (its dimension order) and 11 lb; use those dimensions as a first clearance check, not as proof it can pass under fabric, uneven furniture, or a low rug. The C28's Wi-Fi instructions specify a 2.4 GHz network. A 5 GHz-only setup is not supported by the guide, and app connection is part of the setup and mapping routine.

Where the E35 changes the choice

The Omni E35 is the closest in-family alternative: it keeps a roller mop and tank-based dock but lists 35,000 Pa rather than the C28's 15,000 Pa. Its T210M manual adds a 290 mm roller, 16 N mop downforce, 32 mm mop extension, 2.5 L clean-water tank, 2.4 L dirty-water tank, and 2.5 L dust bag. Those published figures provide more numeric detail, not a promise that it will clean a room better. The C28 has the clearer 2 cm threshold statement in the sources reviewed here; a higher suction number does not fill the E35's unreported threshold or carpet-pile limits.

Choose the C28 if the 2.4 GHz network, removable tanks, 2 cm manufacturer threshold claim, and combined vacuum-and-mop routine fit your home—and you can keep it away from thick rugs. Look elsewhere if you need mop-only operation, a 5 GHz-only network, a supported high-pile carpet specification, or spill pickup. The product page's feature list cannot replace a floor plan and a careful reading of the operating cautions.