# Eufy Omni S2 review

Eufy's roller mop flagship with perfect obstacle avoidance scores

- Our score: 5.7 out of 10
- Price: $1,600 (checked Oct 26, 2026)
- Status: on sale
- Best for: cluttered homes with carpet and pets
- Skip if: you need strong stain removal
- HTML version: https://robotsforthat.com/robot/eufy-omni-s2/

## Verdict

A good fit for busy homes with carpet, pets and clutter on the floor, since it was the only robot here to avoid all 24 obstacles in Vacuum Wars testing and it never tangled hair. Mopping is fine for daily grime but several reviewers found it weak on tough dried stains. Skip it if stain removal matters most or if you mind paying for Eufy's own detergent and fragrance refills.

## Pros

- Perfect 24 of 24 obstacle avoidance in Vacuum Wars testing
- Big carpet cleaning gain over the Omni S1
- No hair wrap in testing
- Self cleaning roller mop and drying dock
- Published replacement interval makes running costs predictable

## Cons

- Expensive at $1,599.99 list
- Weak on dried stains compared with the S1
- Louder than rival flagships per Android Authority
- Detergent and fragrance refills are proprietary
- Slower navigation and lower coverage per charge

## Specs

- suction: 30,000 Pa (brand claim), AeroTurbo 2.0
- navigation: CleanMind AI with 3D MatrixEye 2.0 (ToF sensors plus camera), 3D mapping
- obstacle avoidance: Detects obstacles over 1 cm and 200+ object types (brand claim); Vacuum Wars scored a perfect 24 of 24
- mopping: Yes, HydroJet 2.0 self cleaning roller mop, 15 N pressure, extends to edges and lifts 28 mm on carpet
- self empty: Yes, auto empties into a 2.5 L bag rated for up to 68 days
- dock features: UniClean station washes the roller at 140°F, dries at 131°F, doses detergent, auto refill and drain options, plus a fragrance diffuser; 3 L clean and 2 L dirty tanks
- runtime: Up to 180 min (TechRadar); Vacuum Wars estimated about 1,088 sq ft per charge
- dustbin: Onboard bin size not published; dock bag 2.5 L
- height: 3.4 in (85 mm) per TechRadar
- pet hair: Vacuum Wars measured 88.5% flattened pet hair pickup and 0% hair wrap with DuoSpiral brushes
- app: Eufy app with Siri, Alexa, Google Home and Matter support
- threshold: Up to 1.65 in double and 1.38 in single thresholds (brand claim); Vacuum Wars cleared 32 mm on 1 of 3 tries

## Safety

- recalls: No recall found as of 2026-10-16 (web search of cpsc.gov; CPSC vacuum cleaner recall page lists no robot vacuum recall for this brand)
- fcc: Not checked
- company status: Active

## Questions buyers ask

### How much does upkeep cost?

Eufy sells a $79.99 replacement kit and recommends swapping it every 6 months, about $480 over 3 years before detergent and fragrance refills.

### Do I have to use the fragrance feature?

No, it is optional. Reviewers note the cartridges are an extra ongoing cost.

### Is it better than the Omni S1 Pro?

For vacuuming and carpets, yes, by a wide margin in Vacuum Wars testing. For stubborn dried stains, Vacuum Wars and National World found the older S1 did better.

## Sources

1. [Eufy US: Robot Vacuum Omni S2 product page](https://www.eufy.com/products/t2081111)
2. [Eufy US: S2 Replacement Accessory Kit](https://www.eufy.com/products/t291n110)
3. [Vacuum Wars: Eufy Omni S2 review](https://vacuumwars.com/eufy-s2-review/)
4. [TechRadar: Eufy Omni S2 review](https://www.techradar.com/home/robot-vacuums/eufy-omni-s2-review)
5. [Android Authority: Eufy Omni S2 review](https://www.androidauthority.com/anker-eufy-robot-vacuum-omni-s2-review-3641831)
6. [T3: Eufy Omni S2 review](https://www.t3.com/home-living/vacuum-cleaners/eufy-omni-s2-robot-vacuum-cleaner)
7. [National World: Eufy Omni S2 review](https://www.nationalworld.com/recommended/eufy-omni-s2-review-the-best-robot-vacuum-ive-tested-comes-at-a-huge-price-8811484)
8. [CPSC: Vacuum cleaner recalls](https://www.cpsc.gov/Recall-Products/Vacuum-Cleaners)