Aeotec Water Leak Sensor vs Eve Water Guard comparison

Updated July 2026

Data from Amazon and official Aeotec and Eve sites.

2026 verdict

The Eve Water Guard wins this water leak sensor comparison on its higher owner rating, its weather resistance, broader connectivity, and a built-in 100 dB siren plus alert light that the Aeotec entirely lacks. Where the Aeotec is a spot detector with no local alarm, the Eve uses a wired sensing cable that covers up to 490 ft along an appliance run and connects natively over Apple HomeKit and Thread. The Aeotec Water Leak Sensor still makes a case on value and versatility: it is the more affordable pick, and it adds temperature and freeze alerts plus more supported sensors, running on Zigbee for SmartThings and Home Assistant homes. Keep in mind the Eve requires constant wall power while the Aeotec runs on battery. Buy the Eve Water Guard for HomeKit or Thread homes that want a loud onboard siren and whole-run cable coverage; choose the Aeotec Water Leak Sensor for a cheaper, battery-powered Zigbee sensor with freeze and temperature alerts.

Feature	Aeotec Water Leak Sensor	Eve Water Guard	Winner
Price	$39.99	$78.99	Aeotec Water Leak Sensor
Rating	4.5	4.6	Eve Water Guard
Weather Resistance	IP20	YES	Eve Water Guard
Connectivity	Zigbee	Bluetooth, Thread Protocol	Eve Water Guard
Sensors	Water Leak, Temperature	Water Leak	Aeotec Water Leak Sensor
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts	Water Leak Alerts	Aeotec Water Leak Sensor
On Device Alert Sound	NO	YES	Eve Water Guard
On Device Alert Light	NO	YES	Eve Water Guard
Warranty	1 year	1 year	Tie
Integrations	Samsung SmartThings, Home Assistant	Apple HomeKit, Home Assistant	Tie

Aeotec

Aeotec Water Leak Sensor

$39.99

Buy on Amazon USA

+ Price: $39.99
+ Sensors: Water Leak, Temperature
+ Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts
- Rating: 4.5 vs 4.6
- Weather Resistance: IP20 vs YES

Winner

Eve

Eve Water Guard

28% OFF

$78.99

$109.95

Buy on Amazon USA

+ Rating: 4.6
+ Weather Resistance: YES
+ Connectivity: Bluetooth, Thread Protocol
- Price: $78.99 vs $39.99
- Sensors: Water Leak vs Water Leak, Temperature

Frequently Asked Questions

Which is better overall: Aeotec Water Leak Sensor or Eve Water Guard?

The Eve Water Guard wins overall with a higher owner rating, weather resistance, richer connectivity, and an on-device 100 dB siren and light. The Aeotec Water Leak Sensor remains the cheaper option and adds temperature and freeze alerts.

What is the biggest difference between the Eve Water Guard and the Aeotec Water Leak Sensor?

Coverage and local alerting. The Eve Water Guard is wired and uses an extendable sensing cable (up to 490 ft) with a 100 dB onboard siren and light, while the Aeotec Water Leak Sensor is a battery-powered spot sensor with no local alarm.

Does either have an on-device alarm?

Only the Eve Water Guard. It includes a 100 dB siren and an alert light on the device itself, whereas the Aeotec Water Leak Sensor has no on-device sound or light and relies entirely on your hub for notifications.

Which one detects temperature and freezing?

The Aeotec Water Leak Sensor does. It adds a temperature sensor with temperature and freeze alerts, while the Eve Water Guard is a leak-only device without temperature sensing.

Who should buy the Eve Water Guard?

Buy it if you run Apple HomeKit or Thread, can place it near an outlet, and want a loud onboard siren plus a sensing cable that watches a whole appliance run instead of a single spot.

Who should buy the Aeotec Water Leak Sensor?

Choose it if you want the more affordable, battery-powered Zigbee sensor for SmartThings or Home Assistant, with built-in temperature and freeze alerts.

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