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Water Leak Sensors · Head to head

Eufy Water and Freeze Sensor vs Eve Water Guard

Full Smart Water Leak Sensors comparison in 2026

Updated October 2026
Data from Amazon and official Eufy and Eve sites.
2026 verdict
When one sensor can watch a whole run of pipe and the other only a single spot, the Eve Water Guard is the stronger water leak sensor of this pair.
Eve Water Guard
Winner
Eve Water Guard
$74.95$109.9532% OFFPrime exclusive deal
Buy on Amazon USACheck price
Its 6.5 ft sensing cable extends up to 490 ft, it plugs into a wall outlet with no battery to change, and it carries a 100 dB siren and an alert light, reaching Apple HomeKit and Home Assistant over Thread and Bluetooth. The Eufy Water and Freeze Sensor costs less and adds a temperature reading and freeze alerts, but it needs a Eufy HomeBase and stays inside that ecosystem. Choose the Eve for broad coverage in a HomeKit home, the Eufy for a single appliance spot where freeze warnings matter.
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FeatureEufy Water and Freeze SensorEve Water GuardWinner
Price$34.99$74.95Eufy Water and Freeze Sensor
Connectivity2.4 GHz WiFiBluetooth, Thread ProtocolEve Water Guard
IntegrationsHome AssistantApple HomeKit, Home AssistantEve Water Guard
SensorsWater Leak, TemperatureWater LeakEufy Water and Freeze Sensor
AlertsWater Leak Alerts, Freeze Temperature AlertsWater Leak AlertsEufy Water and Freeze Sensor
On Device Alert SoundNOYESEve Water Guard
On Device Alert LightNOYESEve Water Guard
Weather ResistanceIP65YESTie
Rating4.54.5Tie
Warranty1 year1 yearTie

What the differences mean

Coverage

The Eve Water Guard ships with a 6.5 ft sensing cable that detects water along its whole length and can extend to about 490 ft, while the Eufy Water and Freeze Sensor senses only where the puck sits. One unit can follow the pipe run behind a sink, dishwasher and fridge; the other covers a single spot.

Power

The Eve Water Guard is wired, so there are no batteries to replace, but it must sit near an outlet. The Eufy Water and Freeze Sensor runs about two years on a CR123 cell and can go anywhere within reach of its HomeBase.

Sensing

The Eufy Water and Freeze Sensor reads temperature and sends freeze alerts for pipes in cold spaces, which the Eve Water Guard does not offer. Near an unheated crawlspace or garage, that is the Eufy's one clear advantage.

Ecosystem

The Eve Water Guard works natively with Apple HomeKit and Home Assistant over Thread and Bluetooth, with no manufacturer account needed. The Eufy Water and Freeze Sensor requires a Eufy HomeBase and reaches Home Assistant only through a community integration, so it ties you to one brand.

On-device alarm

The Eve Water Guard has a 100 dB siren and an alert light on the unit itself, while the Eufy Water and Freeze Sensor has neither and relies on the HomeBase alarm and phone notifications. If you want the warning at the leak, only the Eve delivers it.

Price

The Eufy Water and Freeze Sensor is the more affordable option, and the Eve Water Guard commands a premium for its cable, wired power and siren. The gap is the price of coverage.

Which one to buy if

Eufy

Eufy Water and Freeze Sensor

Prime exclusive deal
$34.99
Buy on Amazon USACheck price
  • + Price: $34.99
  • + Sensors: Water Leak, Temperature
  • + Alerts: Water Leak Alerts, Freeze Temperature Alerts
  • - Connectivity: 2.4 GHz WiFi vs Bluetooth, Thread Protocol
  • - Integrations: Home Assistant vs Apple HomeKit, Home Assistant
Winner
Eve

Eve Water Guard

32% OFF
Prime exclusive deal
$74.95
$109.95
Buy on Amazon USACheck price
  • + Connectivity: Bluetooth, Thread Protocol
  • + Integrations: Apple HomeKit, Home Assistant
  • + On Device Alert Sound: YES
  • - Price: $74.95 vs $34.99
  • - Sensors: Water Leak vs Water Leak, Temperature

What owners say

Owners of both sensors report reliable early warnings and say the device paid for itself, and both groups describe setup as simple. Eve Water Guard owners highlight the sensing cable that traces a whole appliance run instead of one point, the account-free Apple HomeKit setup and the loud 100 dB siren with its alert light, though several note the higher price, the need for an outlet and a slight delay while the fabric cable absorbs enough water to trigger. Eufy Water and Freeze Sensor owners praise how quickly it reacts to a couple of drops and how easily it syncs into an existing Eufy app, but warn that the HomeBase alarm shares the same tone as the security cameras, and a few report pairing failures or alerts affected by the HomeBase recording 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.

  • Eufy Water and Freeze Sensor
  • Eve Water Guard

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Frequently Asked Questions

Which is better overall: Eufy Water and Freeze Sensor or Eve Water Guard?

The Eve Water Guard, for its sensing cable that covers a whole run, its 100 dB on-device siren and light, and its native Apple HomeKit support. The Eufy Water and Freeze Sensor is the cheaper pick and the only one of the two that adds freeze alerts.

What is the biggest difference between the Eufy Water and Freeze Sensor and the Eve Water Guard?

Coverage and sensors. The Eve Water Guard uses a 6.5 ft sensing cable to watch a long run and has a 100 dB siren, while the Eufy Water and Freeze Sensor is a single-spot puck that also reads temperature and sends freeze alerts.

Does the Eve Water Guard need a hub or a battery?

No battery: the Eve Water Guard is wired to a wall outlet. It connects natively over Thread and Bluetooth to Apple HomeKit and Home Assistant, so it needs a Thread border router or HomeKit home rather than a brand hub.

Does the Eufy Water and Freeze Sensor work with Apple HomeKit?

No. The Eufy Water and Freeze Sensor works only within the Eufy Security app and a Eufy HomeBase, reaching Home Assistant through a community integration but not Apple HomeKit, Google Home, SmartThings or Matter.

Who should buy the Eufy Water and Freeze Sensor, and who should buy the Eve Water Guard?

Buy the Eufy Water and Freeze Sensor for a budget single-spot install inside a Eufy HomeBase household that also wants freeze warnings. Buy the Eve Water Guard for an Apple HomeKit home that wants to cover a long run of pipe with a wired sensor and a loud local siren.

Full comparison table

Compare all 34 Water Leak Sensors side by side

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