Kidde WiFi Water Leak & Freeze Detector vs Moen Smart Leak Detector

Updated September 2026

Data from Amazon and official Kidde and Moen sites.

2026 verdict

Google Home plus freeze alerts on Wi-Fi: the Kidde WiFi Water Leak & Freeze Detector is the better overall water leak sensor, winning on price, owner rating, integrations and alerts.

Winner

Kidde WiFi Water Leak & Freeze Detector

$18.43

Buy on Amazon USACheck price

It talks to Google Home, Alexa and Home Assistant while watching water and freeze risk. The Moen Smart Leak Detector still takes weather resistance and an on-device alert light, with an IP67 body and a sensing cable the Kidde lacks. Choose the Kidde WiFi Water Leak & Freeze Detector for broader voice integrations; choose the Moen Smart Leak Detector if you want a waterproof body and a remote probe.

Winner

Kidde

Kidde WiFi Water Leak & Freeze Detector

$18.43

Buy on Amazon USACheck price

Moen

Moen Smart Leak Detector

7% OFF

$51.00

$54.87

Buy on Amazon USACheck price

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Feature	Kidde WiFi Water Leak & Freeze Detector	Moen Smart Leak Detector	Winner
Price	$18.43	$51.00	Kidde WiFi Water Leak & Freeze Detector
Rating	4.0	3.3	Kidde WiFi Water Leak & Freeze Detector
Weather Resistance	NO	IP67	Moen Smart Leak Detector
Integrations	Google Home, Alexa, Home Assistant	Alexa, Home Assistant	Kidde WiFi Water Leak & Freeze Detector
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts	Kidde WiFi Water Leak & Freeze Detector
On Device Alert Light	NO	YES	Moen Smart Leak Detector
Warranty	1 year	1 year	Tie
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi	Tie
Sensors	Water Leak, Temperature	Water Leak, Temperature	Tie
On Device Alert Sound	YES	YES	Tie

Winner

Kidde

Kidde WiFi Water Leak & Freeze Detector

$18.43

Buy on Amazon USACheck price

+ Price: $18.43
+ Rating: 4.0
+ Integrations: Google Home, Alexa, Home Assistant
- Weather Resistance: NO vs IP67
- On Device Alert Light: NO vs YES

Moen

Moen Smart Leak Detector

7% OFF

$51.00

$54.87

Buy on Amazon USACheck price

+ Weather Resistance: IP67
+ On Device Alert Light: YES
- Price: $51.00 vs $18.43
- Rating: 3.3 vs 4.0

Frequently Asked Questions

Which is better overall: Kidde WiFi Water Leak & Freeze Detector or Moen Smart Leak Detector?

The Kidde WiFi Water Leak & Freeze Detector is the better overall water leak sensor. It wins on price, rating, integrations and alerts. The Moen Smart Leak Detector wins on weather resistance and an on-device alert light.

Does the Kidde WiFi Water Leak & Freeze Detector work with Google Home?

Yes. The Kidde WiFi Water Leak & Freeze Detector supports Google Home, Alexa and Home Assistant. The Moen Smart Leak Detector supports Alexa and only partial Home Assistant, with no Google Home.

Which sensor is weather resistant?

The Moen Smart Leak Detector is IP67. The Kidde WiFi Water Leak & Freeze Detector is not weather resistant.

Who should buy the Kidde WiFi Water Leak & Freeze Detector?

Buy the Kidde WiFi Water Leak & Freeze Detector for hub-free Wi-Fi leak and freeze alerts with Google Home, Alexa and Home Assistant.

Who should buy the Moen Smart Leak Detector?

Buy the Moen Smart Leak Detector if you want an IP67 body, an LED alarm light and a 48-inch sensing cable.

Full comparison table

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