Robot vacuums have come a long way, and SwitchBot is clearly pushing hard in this space. After testing the SwitchBot S10, K10, and K10 Pro, it was time to put their new flagship to the test: the SwitchBot S20.
In this in-depth review, I tested the S20 in a real household with pet hair, cat litter, cables, and spills, to see if it truly delivers on its promises.
Buy the Switchbot S20 here:
- Amazon NL: https://amzn.to/3KcrwKu
- Amazon US: https://amzn.to/47PeGf2
- Amazon UK: https://amzn.to/3IfOj7F
- Amazon DE: https://amzn.to/4mnRmbQ
- Switchbot official site: https://bit.ly/4nlg9yk
⭐⭐⭐ NOTE: ⭐⭐⭐
This article belongs to a YouTube video. I wrote it before recording the video. You can help me continue doing this by checking out the video, commenting on it, giving it a thumbs up, and subscribing to my YouTube channel. This will ensure that the video is offered more frequently to new visitors, allowing them to stay informed about the latest Home Assistant tutorials and smart home-related product reviews.
I appreciate your support!
Ed
Why I Use Robot Vacuums Daily
I own a large Maine Coon cat, which means:
- A lot of pet hair
- Cat litter everywhere
- Daily cleaning required
A robot vacuum doesn’t fully replace a normal vacuum cleaner—but it dramatically reduces daily effort.
Unboxing & Build Quality
The SwitchBot S20 comes in a smaller box than the S10, thanks to the redesigned base station with an integrated water system.
Included in the box:
- Robot vacuum
- Base station with Auto-Fill & Drain
- Mounting accessories
- Cleaning brush
- Dust bag (90-day replacement cycle)
The robot itself feels solid and well-built, not cheap plastic.
Key Specifications
- Suction power: 10,000Pa (up from 6,500Pa on the S10)
- Mopping: Roller mop with 1kg downward pressure
- Self-cleaning: RinseSync + 50°C hot-air drying
- Obstacle detection: AI camera + LiDAR
- Brushes: Rubber anti-tangle roller + V-shaped side brush
- Connectivity: WiFi + Matter over WiFi (1.4)
App & Smart Features
The SwitchBot app allows you to:
- Set room-specific cleaning modes
- Create schedules
- Use multiple maps
- Configure carpet behavior
- Adjust suction and mop settings
Installation is straightforward, and mapping is fast and accurate.
Home Assistant & Matter Support
The SwitchBot S20 supports Matter over WiFi, allowing direct integration into Home Assistant without a SwitchBot Hub.
Current Home Assistant controls include:
- Start cleaning
- Stop cleaning
- Return to dock
While limited, this is still a great step toward ecosystem-agnostic smart home integration.
Real-World Testing Results
Obstacle avoidance
- Shoes: ✅ Excellent
- Socks: ⚠️ Detected after retry
- Cables: ✅ Mostly successful
- Small cat toy: ❌ Not detected
Pet hair & cat litter
- Excellent on smooth floors
- Grooved wooden floors still require manual cleaning
Mopping
- Light spills cleaned well
- Large liquid spills avoided (good safety behavior)
Price & Value
💰 €799.99
Compared to competitors with similar features, the SwitchBot S20 offers excellent value for money, especially considering:
- Auto-Fill & Drain
- High suction power
- Matter support
Final Verdict
The SwitchBot S20 is a powerful, well-designed robot vacuum that excels in everyday cleaning—especially in homes with pets.
✔ Strong suction
✔ Excellent automation
✔ Great value
❌ Not perfect obstacle detection
It won’t replace your regular vacuum, but it will save you a lot of time.
Buy the Switchbot S20 here:
- Amazon NL: https://amzn.to/3KcrwKu
- Amazon US: https://amzn.to/47PeGf2
- Amazon UK: https://amzn.to/3IfOj7F
- Amazon DE: https://amzn.to/4mnRmbQ
- Switchbot official site: https://bit.ly/4nlg9yk
