WI
“Best for Most People — its balance of reliable detection, long battery life, and temperature/humidity monitoring in a single affordable sensor”
The Moen Flo Smart Water Leak Detector ($54.99) is recommended with a 8.5/10 consensus score across 1 expert reviews. Experts highlight three-in-one: water leaks, excess humidity, and temperature extremes and 3-year sealed battery — lowest maintenance of any sensor tested. WIRED says: "Best for Most People — its balance of reliable detection, long battery life, and..." Best for: Primary residences, Under-sink placement, Moen Flo ecosystem users.
Recommended1 Expert Reviews
Price Range$54.99
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Moen Flo Smart Water Leak Detector
Sensors
Consensus Score — 1 experts
8.5/10
Updated 2026-03-11
“Best for Most People — its balance of reliable detection, long battery life, and temperature/humidity monitoring in a single affordable sensor”
Key Features
- ✓ 3-year sealed battery
- ✓ Humidity monitoring
- ✓ Temperature monitoring
- ✓ No hub needed
Best For
Primary residencesUnder-sink placementMoen Flo ecosystem users
What Experts Agree On
What Experts Love
- ✓ Three-in-one: water leaks, excess humidity, and temperature extremes
- ✓ 3-year sealed battery — lowest maintenance of any sensor tested
- ✓ No hub required — connects directly to 2.4GHz Wi-Fi
- ✓ Pairs with Moen Flo shutoff valve for fully automated water shutoff
- ✓ Small, sleek form factor fits any under-sink space
Common Criticisms
- ✗ No Google Home, Apple HomeKit, or IFTTT support
- ✗ Best features locked inside Moen app ecosystem
- ✗ Automatic shutoff requires separate Flo shutoff valve purchase
What The Experts Say
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 1 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.