Water Leak Sensors · Head to head

Eufy Water and Freeze Sensor vs Fibaro Flood Sensor (Z-Wave)

Full Smart Water Leak Sensors comparison in 2026

Updated July 2026
Data from Amazon and official Eufy and Fibaro sites.
2026 verdict
Z-Wave households looking at a water leak sensor should note that the Fibaro Flood Sensor (Z-Wave) outperforms the Eufy Water and Freeze Sensor here, adding Home Assistant integration, a fuller sensor lineup with tilt and tamper detection, and an on-device alarm sound and light the Eufy lacks. The Eufy Water and Freeze Sensor answers with a lower price and a higher owner rating, along with its own dedicated freeze-temperature alerts. Both are hub-dependent, the Fibaro through a Z-Wave controller and the Eufy through its HomeBase, so neither works standalone. Pick the Fibaro Flood Sensor (Z-Wave) if you run a Z-Wave or Home Assistant setup and want tamper detection built in; choose the Eufy Water and Freeze Sensor if you're already invested in Eufy and want the cheaper, better-reviewed option.
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FeatureEufy Water and Freeze SensorFibaro Flood Sensor (Z-Wave)Winner
Price$34.99$66.12Eufy Water and Freeze Sensor
Rating4.64.3Eufy Water and Freeze Sensor
IntegrationsHome AssistantSamsung SmartThings, Home AssistantFibaro Flood Sensor (Z-Wave)
SensorsWater Leak, TemperatureWater Leak, Temperature, TiltFibaro Flood Sensor (Z-Wave)
AlertsWater Leak Alerts, Freeze Temperature AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper AlertsFibaro Flood Sensor (Z-Wave)
On Device Alert SoundNOYESFibaro Flood Sensor (Z-Wave)
On Device Alert LightNOYESFibaro Flood Sensor (Z-Wave)
Warranty1 year1 yearTie
Weather ResistanceNONOTie
Battery Life2 years2 yearsTie
Connectivity2.4 GHz WiFiZ-WaveTie

Frequently Asked Questions

Which is the better water leak sensor, the Eufy Water and Freeze Sensor or the Fibaro Flood Sensor (Z-Wave)?

The Fibaro Flood Sensor (Z-Wave) wins overall, thanks to broader integrations, more sensors (tilt and tamper alongside water and temperature), and a built-in alarm and light. The Eufy Water and Freeze Sensor counters with a lower price and a higher owner rating.

What is the biggest difference between the Fibaro Flood Sensor (Z-Wave) and the Eufy Water and Freeze Sensor?

Hub ecosystem and sensing depth. The Fibaro Flood Sensor (Z-Wave) plugs into Z-Wave controllers and Home Assistant with tilt and tamper alerts on top of water and temperature sensing, while the Eufy Water and Freeze Sensor is built specifically for a Eufy HomeBase and focuses on water and freeze detection.

Does either sensor have an on-device alarm?

The Fibaro Flood Sensor (Z-Wave) does, with both an alert sound and a light built into the device. The Eufy Water and Freeze Sensor has neither, relying on the Eufy app and HomeBase for notifications.

Which one has the higher owner rating?

The Eufy Water and Freeze Sensor is rated higher by owners than the Fibaro Flood Sensor (Z-Wave), despite losing on overall feature count.

Who should buy the Eufy Water and Freeze Sensor?

Choose it if you already run a Eufy HomeBase and want the more affordable, better-reviewed sensor with dedicated freeze alerts.

Who should buy the Fibaro Flood Sensor (Z-Wave)?

Pick it if you have a Z-Wave hub or Home Assistant setup and want tilt and tamper detection plus a built-in alarm.

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