Fibaro Flood Sensor submerged in waterSource: Fibaro

Best Smart Water-Leak Detectors iMore 2022

Smart water-leak detectors are an essential tool when it comes to home safety. The Fibaro Flood Sensor is a completely wireless option that allows it to be placed under or near potential water leak points and can notify you instantly via HomeKit if a leak is detected. We have gathered the best smart water-leak detectors to help you decide what is right for your needs.

Best Overall: Fibaro Flood Sensor

Fibaro Flood Sensor for HomeKit next to a bath tubSource: Fibaro

The Fibaro Flood Sensor is a compact, battery-powered solution to keep you informed of any potential leaks in your home. It's also the best smart water leak detector on the market today. The wireless design means you can place it almost anywhere, making it a perfect option to add monitoring where a plug is not available. Simply pair the flood sensor with HomeKit via its built-in Bluetooth capabilities and set it under a sink, near a water heater, or anywhere else that has the potential to spring a leak.

Fibaro's Flood Sensor also supports external wired leads enabling it to reach behind places where the sensor may not fit into. Additional features for the flood sensor include temperature monitoring, which is added as a separate device in HomeKit. Both leak detection and temperature can integrate with other HomeKit devices. This allows tons of automation options, such as turning your smart lights blue if a leak is detected.

Those looking for an easy-to-setup option allows them to set it and forget it can look no further than the Fibaro Flood Sensor. While it may not be the most used smart device in your home, it may be one of the most important if the worst-case scenarios happen. Instant notifications to your iOS devices will allow you to stay on top of any issue that may arise and hopefully help prevent them from becoming a much bigger problem.


  • Wireless design
  • Can be expanded with optional leads
  • Also includes a temperature sensor


  • Expensive
  • Works with HomeKit only
  • Bluetooth connectivity limits placement

Best Overall

Fibaro Flood Sensor HomeKit Version

Fibaro FGBHFS-101 Flood, Water & Temperature Sensor

Portable protection

The Fibaro Flood Sensor is a wireless set it and forget it solution. Simply pair it with HomeKit to begin receiving alerts.

Best Security: Ring Alarm Flood and Freeze Sensor

Ring Flood and Freeze Sensor on a tile floorSource: Amazon

Smart home security experts, Ring provides a wireless leak detection sensor that is compact and sleek. The Ring Alarm Flood and Freeze Sensor is a battery-operated solution that allows it to be placed just about anywhere in the home. Plus, 3-year battery life means that it will be working in the background for years to come.

Ring's sensor communicates via Z-Wave to the Ring Alarm system and can be placed up to 250 feet away, ensuring that it will work in the further reaches of your home. In addition to leak detection, a built-in temperature sensor can determine if the area is too cold, which could cause your water lines to freeze and potentially burst.


  • Completely wireless
  • Three-year battery life
  • Strong wireless signal


  • Requires Ring Alarm System
  • Does not work with professional monitoring service
  • Cannot be extended

Best Security

Ring Flood and Freeze

Ring Alarm Flood and Freeze Sensor

Safe and secure

This sensor from Ring sends alerts to your phone and alarm if a leak occurs. Long battery life will protect the home for years.

Best Coverage: iHome Wi-Fi Dual Leak Sensor

iHome Dual Leak Sensor underneath a leaking pipeSource: iHome

The iHome Wi-Fi Dual Leak Sensor provides two forms of leak detection in a small wireless unit. The iHome's sensor's base has water sensing contacts, and an attached six-foot lead can also determine if a leak has sprung. This allows the Dual Leak Sensor to cover multiple areas with just one device.

Wi-Fi connectivity enables the Dual Leak Sensor to function wherever a signal is in your home. Best of all, the sensor communicates directly to your Wi-Fi router, with no additional hubs or systems required.


  • Low Price
  • Does not require a hub
  • Flexible placement


  • Does not work with HomeKit
  • Only integrates with other iHome devices
  • No built-in alarm

Best Coverage

iHome Dual Leak Sensor

iHome Wi-Fi Dual Leak Sensor

Dual coverage

iHome's Dual Leak Sensor detects leaks at the base and via a lead. Wi-Fi connects it to your network without a separate hub.

Best Monitoring: Flume Smart Home Water Monitoring System

Flume Smart Home Water Monitoring System app on a smart phoneSource: Flume

The Flume Smart Home Water Monitoring System is designed to keep you aware of the water usage and flow within your home. A small, compact unit is attached directly to your water meter via an included strap and requires no tools for installation. The water sensor is battery-powered and works up to 1,000 feet away from a separate bridge that you plug in.

Once installed, the Flume Monitoring System will be on the lookout 24/7 for any potential leaks and alert you instantly if a problem is found. Since Flume's device attaches directly to your water meter, you do not have to worry about placement as it measures water flow to determine if any leaks are occurring.


  • Installs without tools
  • Monitors usage trends
  • Extra-long signal range


  • Expensive
  • Only provides monitoring
  • Is not compatible with all meters

Best Monitoring

Flume Smart Home Watering System

Flume Water Monitor: Smart Home Water Monitoring to Detect Leaks & Track Water Usage in Real-Time

Keep an eye on things

The Flume system keeps tabs on the water supply for your entire home. Notifications are sent instantly if leaks are found.

Best Prevention: Moen Flo Leak Detection System

Flo by Moen Water Leak Detection SystemSource: Moen

The Flo Leak Detection System by Moen is a complete, whole-home solution. Attached directly to your main water line inside of your home, Flo can determine the smallest of leaks through Micro Leak Technology. It also provides usage and trend reports, which may help identify ways to conserve water and lower your utility bill.

Unlike other leak detectors, Moen's system can shut off the main water supply to prevent damage if it finds a leak. While professional installation is recommended, this ability alone may be worth the high price tag if it can prevent a flood from happening inside your home.


  • Instant alerts and daily testing
  • Provides monitoring and usage trends
  • Shuts off water supply if issue is detected


  • Pricey
  • Does not support HomeKit
  • Professional installation recommended

Best Prevention

Flo by Moen Water Leak Detection System

Moen 900-001 Flo by Moen 3/4-Inch Smart Water Shutoff

Monitoring and prevention

Moen's Leak Detection System monitors every water line in your home, and it will shut off the main supply if leaks are detected.

Stop the Leaks

Smart water-leak detectors are a great way to add a little extra peace in mind to your home. Usually operating in silence, leak detectors come to life at the crucial moment where the first signs of water are found. Entirely wireless options can be placed almost anywhere in the home, and whole-home monitoring solutions can be installed to shut off all the water to your home if any abnormalities are detected.

The Fibaro Flood Sensor is the best smart water leak detector and a solid choice for those looking for an easy to set up, set it, and forget it solution. Powerful automations can be created to flash the lights in your home or sound an alarm if a leak is detected thanks to HomeKit integration. Fibaro's sensor also acts as a temperature sensor, and a built-in tamper alarm will notify you if it happens to be moved from its position once set.

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