Winner
33% OFF
$23.94
$35.97
Updated October 2026
Data from the official Kidde and YoLink sites.
2026 verdict
Freeze alerts and a direct Wi-Fi connection tip this one: the Kidde WiFi Water Leak & Freeze Detector beats the YoLink Water Leak Sensor 1 on what it senses and how it reports.
The Kidde WiFi Water Leak & Freeze Detector joins 2.4 GHz Wi-Fi with no hub, watches for water and for temperatures dropping toward freezing, sounds its own alarm, and can share alerts with family, and it works with Google Home. The YoLink Water Leak Sensor 1 is the cheaper, better rated and longer warrantied of the pair, and it is the more rugged sensor, IP68 and rated for five years on two AAA batteries on LoRa through a YoLink hub, but it is silent and has no temperature or freeze sensing. Pick the Kidde WiFi Water Leak & Freeze Detector for basements, garages and unheated spaces where a freeze warning matters, and the YoLink Water Leak Sensor 1 for long-range, long-battery coverage where only water has to be caught.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
Works with
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| Feature | Kidde WiFi Water Leak & Freeze Detector | YoLink Water Leak Sensor 1 | Winner |
|---|---|---|---|
| Price | $23.94 | $16.99 | YoLink Water Leak Sensor 1 |
| Rating | 3.9 | 4.6 | YoLink Water Leak Sensor 1 |
| Warranty | 1 year | 2 years | YoLink Water Leak Sensor 1 |
| Weather Resistance | NO | IP68 | YoLink Water Leak Sensor 1 |
| Integrations | Google Home, Home Assistant | Home Assistant | Kidde WiFi Water Leak & Freeze Detector |
| Sensors | Water Leak, Temperature | Water Leak | Kidde WiFi Water Leak & Freeze Detector |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts | Water Leak Alerts, Low Battery Alerts | Kidde WiFi Water Leak & Freeze Detector |
| On Device Alert Sound | YES | NO | Kidde WiFi Water Leak & Freeze Detector |
| Connectivity | 2.4 GHz WiFi | Other | Tie |
What the differences mean
What it senses
The Kidde WiFi Water Leak & Freeze Detector reports water and room temperature, raising an alert as the temperature falls toward freezing. The YoLink Water Leak Sensor 1 senses water only, so a pipe at risk of freezing needs a different model from that line, such as the Water Leak Sensor 4.
Alerting
The Kidde WiFi Water Leak & Freeze Detector has an alarm on the device itself, so anyone nearby hears it. The YoLink Water Leak Sensor 1 is silent and only flashes its status light, so an audible warning means adding a YoLink siren or SpeakerHub.
How it connects
The Kidde WiFi Water Leak & Freeze Detector joins 2.4 GHz Wi-Fi directly, with no hub or base station. The YoLink Water Leak Sensor 1 uses LoRa through a YoLink hub, which is what gives it the range but also means a separate purchase before it works.
Weather rating and battery
The YoLink Water Leak Sensor 1 is IP68 and rated for up to five years on two AAA cells. The Kidde WiFi Water Leak & Freeze Detector carries no weather rating and runs on two AA batteries with no published life. The YoLink is the tougher and longer-lasting unit.
Platform support
The Kidde WiFi Water Leak & Freeze Detector works with Google Home and Home Assistant, and an Alexa skill can answer status questions. The YoLink Water Leak Sensor 1 works with Home Assistant and IFTTT. Neither supports Apple Home, SmartThings or Matter.
Warranty
The YoLink Water Leak Sensor 1 carries a two-year warranty and the Kidde WiFi Water Leak & Freeze Detector only one year, which is short for a device meant to sit out of sight for years at a time.
Which one to buy if
- the sensor goes in a basement, a garage or another space that can freeze
The Kidde WiFi Water Leak & Freeze Detector warns on water and on temperatures heading toward freezing.
- the spot is far from the router, like an attic or an outbuilding
The YoLink Water Leak Sensor 1 reaches those places over LoRa through its hub, where Wi-Fi sensors drop.
- you want an alarm to sound in the room
The Kidde WiFi Water Leak & Freeze Detector has an on-device alarm, while the YoLink Water Leak Sensor 1 is silent.
- you want the longest battery life and the toughest shell
The YoLink Water Leak Sensor 1 is IP68 and rated for up to five years, against a one-year warranty and no weather rating on the Kidde.
- you refuse to buy another hub
The Kidde WiFi Water Leak & Freeze Detector joins Wi-Fi on its own, while the YoLink Water Leak Sensor 1 needs a YoLink hub.
Winner
33% OFF
$23.94
$35.97
- + Integrations: Google Home, Home Assistant
- + Sensors: Water Leak, Temperature
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts
- - Price: $23.94 vs $16.99
- - Rating: 3.9 vs 4.6
15% OFF
$16.99
$19.99
- + Price: $16.99
- + Rating: 4.6
- + Warranty: 2 years
- - Integrations: Home Assistant vs Google Home, Home Assistant
- - Sensors: Water Leak vs Water Leak, Temperature
What owners say
Owners of both sensors describe the same payoff, a leak caught while it was still small. Kidde WiFi Water Leak & Freeze Detector owners tell the story of putting a unit on a basement floor and being alerted more than a year later while far from home, and several say it is an excellent detector for the money from a brand they already trust. They also like the freeze warning and that it works with Google Home. Their frustration is setup: Wi-Fi pairing defeats a meaningful number of buyers, the battery compartment is genuinely hard to open, and the room temperature behind the freeze alert refreshes only every twelve hours. YoLink Water Leak Sensor 1 owners instead praise the range, with units staying connected from attics, basements and outbuildings, alerts arriving within seconds by app, email and text without a subscription, and setup that takes minutes of scanning QR codes. They pair it with a YoLink shutoff valve so a leak closes the main automatically, and they accept that it is silent and needs a hub.
Frequently Asked Questions
Which is better overall: the Kidde WiFi Water Leak & Freeze Detector or the YoLink Water Leak Sensor 1?
Pick by what has to be watched. The Kidde WiFi Water Leak & Freeze Detector wins when a freeze warning and a local alarm matter, since it senses temperature as well as water and needs no hub. The YoLink Water Leak Sensor 1 wins on reach, battery life and weather sealing, and it costs less, but it senses water only and is silent.
What is the biggest difference between the Kidde WiFi Water Leak & Freeze Detector and the YoLink Water Leak Sensor 1?
Sensing and the bridge. The Kidde WiFi Water Leak & Freeze Detector is a direct Wi-Fi sensor that reads water and temperature and alarms on the device. The YoLink Water Leak Sensor 1 is a LoRa sensor on a hub that reads water only, runs far longer on a charge, and stays quiet.
Does the YoLink Water Leak Sensor 1 warn about freezing?
No. The YoLink Water Leak Sensor 1 has no temperature sensing, so it cannot warn about freezing pipes. For a freeze warning in this pair you want the Kidde WiFi Water Leak & Freeze Detector, or a YoLink model built for temperature such as the Water Leak Sensor 4.
Do either of these sensors need a hub?
The Kidde WiFi Water Leak & Freeze Detector does not, since it connects straight to 2.4 GHz Wi-Fi. The YoLink Water Leak Sensor 1 does, because it reports over LoRa to a YoLink hub that is sold separately.
Which one is easier to set up?
Neither is frictionless. The Kidde WiFi Water Leak & Freeze Detector defeats some buyers at Wi-Fi pairing and has a notoriously stiff battery compartment, while the YoLink Water Leak Sensor 1 is generally set up in minutes by scanning a QR code, once the hub is in place.
Who should buy the Kidde WiFi Water Leak & Freeze Detector, and who should buy the YoLink Water Leak Sensor 1?
Buy the Kidde WiFi Water Leak & Freeze Detector for unheated basements and garages where a freeze alert and a local alarm are the point. Buy the YoLink Water Leak Sensor 1 for a wide spread of water-only spots, the longest battery life and the lowest cost per sensor on one hub.
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