Water Leak Sensors · Head to head

Aeotec Water Leak Sensor vs Shelly Flood

Full Smart Water Leak Sensors comparison in 2026

Updated July 2026
Data from Amazon and official Aeotec and Shelly sites.
2026 verdict
The Shelly Flood wins this water leak sensor matchup on price, a longer 2-year warranty, a longer battery life, and wider integrations, connecting directly over Wi-Fi to Google Home, Alexa, SmartThings, and Home Assistant without a separate hub. Like the Aeotec, it doubles as a temperature sensor with freeze alerts, so it covers pipe-freeze risk too. The Aeotec Water Leak Sensor answers with a higher owner rating and weather resistance, running on Zigbee for SmartThings and Home Assistant homes that prefer a hub-based mesh over Wi-Fi. Neither carries an on-device siren. Buy the Shelly Flood if you want a cheaper, Wi-Fi sensor with a longer warranty and broad platform support and no extra hub; choose the Aeotec Water Leak Sensor if you run a Zigbee network and value the higher-rated, hub-connected option.
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FeatureAeotec Water Leak SensorShelly FloodWinner
Price$39.99$24.99Shelly Flood
Rating4.53.8Aeotec Water Leak Sensor
Warranty1 year2 yearsShelly Flood
Weather ResistanceIP20NOAeotec Water Leak Sensor
Battery Life1 year1.5 yearsShelly Flood
IntegrationsSamsung SmartThings, Home AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly Flood
ConnectivityZigbee2.4 GHz WiFiTie
SensorsWater Leak, TemperatureWater Leak, TemperatureTie
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsTie
On Device Alert SoundNONOTie
On Device Alert LightNONOTie

Frequently Asked Questions

Which is better overall: Aeotec Water Leak Sensor or Shelly Flood?

The Shelly Flood wins overall on price, a longer 2-year warranty, longer battery life, and wider integrations over Wi-Fi. The Aeotec Water Leak Sensor counters with a higher owner rating and weather resistance in a Zigbee package.

What is the biggest difference between the Shelly Flood and the Aeotec Water Leak Sensor?

Connectivity and platform breadth. The Shelly Flood connects directly over Wi-Fi to Google Home, Alexa, SmartThings, and Home Assistant with no hub, while the Aeotec Water Leak Sensor needs a Zigbee hub and works with SmartThings and Home Assistant.

Do both detect temperature and freezing?

Yes. Both the Shelly Flood and the Aeotec Water Leak Sensor include a temperature sensor and support temperature and freeze alerts alongside leak detection. Neither has an on-device alarm sound or light.

Which one needs a hub?

The Aeotec Water Leak Sensor requires a Zigbee hub such as SmartThings or Home Assistant. The Shelly Flood connects straight to 2.4GHz Wi-Fi, so it needs no separate hub of its own.

Who should buy the Shelly Flood?

Buy it if you want an affordable Wi-Fi sensor with a longer warranty and broad support for Google Home, Alexa, SmartThings, and Home Assistant without adding a hub.

Who should buy the Aeotec Water Leak Sensor?

Choose it if you run a Zigbee network for SmartThings or Home Assistant and prefer the higher-rated, hub-connected sensor with temperature and freeze alerts.

Full comparison table

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