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Water Leak Sensors · Head to head

Aqara Water Leak Sensor vs Eufy Water and Freeze Sensor

Full Smart Water Leak Sensors comparison in 2026

Updated October 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
As a leak sensor that fits more than one smart home, the Aqara Water Leak Sensor is the better pick of these two.
Aqara Water Leak Sensor
Winner
Aqara Water Leak Sensor
$18.99
Buy on Amazon USACheck price
It is the more affordable of the pair, sealed to IP67 against IP65, and through an Aqara Hub it reaches Apple Home, SmartThings and Matter on top of direct Zigbee pairing with Home Assistant. The Eufy Water and Freeze Sensor wins on sensing: it carries a temperature sensor and sends freeze alerts for pipes in cold spaces, which the Aqara cannot do at all. The trade is that it only works through a Eufy HomeBase and connects to Home Assistant alone beyond the Eufy app. Choose the Aqara Water Leak Sensor for an Aqara, Apple Home or Zigbee setup, and the Eufy Water and Freeze Sensor if you already run a Eufy HomeBase and want a frozen pipe warning.
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FeatureAqara Water Leak SensorEufy Water and Freeze SensorWinner
Price$18.99$34.99Aqara Water Leak Sensor
Rating4.24.5Eufy Water and Freeze Sensor
Weather ResistanceIP67IP65Aqara Water Leak Sensor
IntegrationsApple HomeKit, Samsung SmartThings, Home Assistant, MatterHome AssistantAqara Water Leak Sensor
SensorsWater LeakWater Leak, TemperatureEufy Water and Freeze Sensor
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Freeze Temperature AlertsEufy Water and Freeze Sensor
Warranty1 year1 yearTie
Battery Life2 years2 yearsTie
ConnectivityZigbee2.4 GHz WiFiTie
On Device Alert SoundNONOTie
On Device Alert LightNONOTie

What the differences mean

Hub and ecosystem

The Aqara Water Leak Sensor is a Zigbee device: it pairs directly with a Home Assistant Zigbee setup, and with an Aqara Hub it also appears in Apple Home, SmartThings and Matter. The Eufy Water and Freeze Sensor needs a Eufy HomeBase and reaches Home Assistant but not Alexa, Google Home, Apple Home, SmartThings or Matter.

Freeze warning

Only the Eufy Water and Freeze Sensor has a temperature sensor, and it uses it for freeze alerts, which is the reason to buy it for a crawl space, garage or cabin where pipes can burst. The Aqara Water Leak Sensor detects water and nothing else.

Water resistance

IP67 on the Aqara Water Leak Sensor against IP65 on the Eufy Water and Freeze Sensor: the Aqara is rated to survive being submerged, which matters for a sensor whose job is to sit in a puddle.

Size and battery

At 50 x 50 x 15 mm and 18 g, the Aqara Water Leak Sensor slips into gaps behind a dishwasher where the 66 x 66 x 30 mm Eufy does not. Both are rated for about 2 years, the Aqara on a CR2032 coin cell and the Eufy on a CR123.

Which one to buy if

Winner
Aqara

Aqara Water Leak Sensor

Prime exclusive deal
$18.99
Buy on Amazon USACheck price
  • + Price: $18.99
  • + Weather Resistance: IP67
  • + Integrations: Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Rating: 4.2 vs 4.5
  • - Sensors: Water Leak vs Water Leak, Temperature

What owners say

Owners of both sensors open with the same praise: an alert that fires from a few drops of water, often within a second, and a battery that lasts long enough to forget about. From there they diverge. Aqara Water Leak Sensor owners like how small it is under a sink and use it to drive automations, shutting off pumps or feeding routines, while the complaint they repeat is Zigbee pairing that can be unstable on hubs other than Aqara's, plus a few units whose seal gave out. Eufy Water and Freeze Sensor owners single out QR code pairing into the Eufy app and getting the alert both on the phone and as a HomeBase siren, but many find that siren uses the same tone as a camera alarm, and some describe pairing failures or alerts delayed by the HomeBase schedule.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Aqara Water Leak Sensor
  • Eufy Water and Freeze Sensor

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Frequently Asked Questions

Which is better: Aqara Water Leak Sensor or Eufy Water and Freeze Sensor?

The Aqara Water Leak Sensor for most homes. It is the more affordable, better sealed at IP67 and reaches Apple Home, SmartThings, Matter and Home Assistant. The Eufy Water and Freeze Sensor is the better choice only inside a Eufy HomeBase setup, or where a freeze alert is needed.

What is the biggest difference between the Aqara Water Leak Sensor and the Eufy Water and Freeze Sensor?

The ecosystem each one lives in. The Aqara Water Leak Sensor is a Zigbee sensor that works with Home Assistant directly and with Apple Home, SmartThings and Matter through an Aqara Hub. The Eufy Water and Freeze Sensor requires a Eufy HomeBase and adds a temperature sensor with freeze alerts.

Does the Aqara Water Leak Sensor or the Eufy Water and Freeze Sensor work with Alexa or Google Home?

Neither. The Aqara Water Leak Sensor and the Eufy Water and Freeze Sensor both lack Alexa and Google Home support, and both work with Home Assistant.

Can the Aqara Water Leak Sensor detect freezing temperatures?

No. The Aqara Water Leak Sensor detects water only. The Eufy Water and Freeze Sensor has a temperature sensor and sends freeze temperature alerts through the Eufy app.

Who should buy the Aqara Water Leak Sensor?

Anyone with an Aqara hub, an Apple Home or SmartThings household, or a Home Assistant Zigbee network who wants a small, IP67 leak sensor to place in several spots around the house.

Who should buy the Eufy Water and Freeze Sensor?

Eufy Security owners who already have a HomeBase and want leak and freeze alerts in the same app as their cameras, especially for a water heater, sump pump or pipes in an unheated space.

Full comparison table

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