Updated July 2026
Data from Amazon and official Eve and Heiman sites.
2026 verdict
Heiman Smart Water Leakage Sensor has the better all-around case than Eve Water Guard in 2026, starting with price and alerts. Its clearest strengths are price and alerts, and it still looks stronger on its broader overall balance. Eve Water Guard can still be the right pick, but only if rating and connectivity outweigh the wider strengths of Heiman Smart Water Leakage Sensor. That makes Heiman Smart Water Leakage Sensor the clearer recommendation in 2026.
| Feature | Eve Water Guard | Heiman Smart Water Leakage Sensor | Winner |
|---|---|---|---|
| Price | $78.99 | $12.99 | Heiman Smart Water Leakage Sensor |
| Rating | 4.6 | 4.4 | Eve Water Guard |
| Connectivity | Bluetooth, Thread Protocol | 2.4 GHz WiFi | Eve Water Guard |
| Alerts | Water Leak Alerts | Water Leak Alerts, Low Battery Alerts | Heiman Smart Water Leakage Sensor |
| Weather Resistance | YES | IP67 | Tie |
| Warranty | 1 year | 1 year | Tie |
| Integrations | Apple HomeKit, Home Assistant | Samsung SmartThings, Home Assistant | Tie |
| Sensors | Water Leak | Water Leak | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | YES | YES | Tie |
28% OFF
$78.99
$109.95
- + Rating: 4.6
- + Connectivity: Bluetooth, Thread Protocol
- - Price: $78.99 vs $12.99
- - Alerts: Water Leak Alerts vs Water Leak Alerts, Low Battery Alerts
Winner
35% OFF
$12.99
$19.99
- + Price: $12.99
- + Alerts: Water Leak Alerts, Low Battery Alerts
- - Rating: 4.4 vs 4.6
- - Connectivity: 2.4 GHz WiFi vs Bluetooth, Thread Protocol
Frequently Asked Questions
Which is better overall: Eve Water Guard or Heiman Smart Water Leakage Sensor?
Heiman Smart Water Leakage Sensor has the stronger overall profile in this comparison, especially for price and alerts.
What is the biggest difference between Eve Water Guard and Heiman Smart Water Leakage Sensor?
Price is one of the clearest differences: Eve Water Guard lists $78.99, while Heiman Smart Water Leakage Sensor lists $12.99.
Which one looks better on price?
Eve Water Guard is listed at $78.99, while Heiman Smart Water Leakage Sensor is listed at $12.99. Heiman Smart Water Leakage Sensor (better spec).
Who should buy Eve Water Guard?
Choose Eve Water Guard if your priority is rating and connectivity and that matters more than price.
Who should buy Heiman Smart Water Leakage Sensor?
Choose Heiman Smart Water Leakage Sensor if your priority is price and alerts and that matters more than rating.
YoLinkWater Leak Sensor 4
17% OFF$23.99$19.99
TP-LinkTapo T300
$19.99
YoLinkWater Leak Starter Kit
21% OFF$69.99$54.99
X-SenseWi-Fi Water Leak Detector
25% OFF$15.99$11.99
EufyWater and Freeze Sensor
$34.99- Eve
Water Guard
28% OFF$109.95$78.99 
Govee LifeWater Sensor Alarm
$15.99
Govee LifeWater Leak Detector 2
21% OFF$69.99$54.99
SwitchBotWater Leak Detector
$16.49
AeotecWater Leak Sensor
$39.99
AqaraWater Leak Sensor T1
£21.99
HeimanSmart Water Leakage Sensor
35% OFF$19.99$12.99
AqaraWater Leak Sensor
$18.99
SwitchBotWater Leak Detector (Sensor Cable Edition)
15% OFF$19.99$16.99
FibaroFlood Sensor (Z-Wave)
16% OFF$78.53$66.12
ShellyFlood Gen4
$39.99
SonoffZigbee Water Leak Sensor
$14.99
FibaroFlood Sensor (HomeKit)
$43.28
AeotecWater Sensor 7 Pro
$47.95
ArloAll-in-One Sensor
$29.59
Air Quality MonitorsEveEve Room Indoor
$109.95
CamerasEveOutdoor Cam
22% OFF$274.95$214.95
Door & Window SensorsEveDoor & Window
28% OFF$43.95$31.80
Motion SensorsEveMotion
35% OFF$54.95$35.57
PlugsEveEnergy (EU)
12% OFF€39.95€34.99
PlugsEveEnergy (US)
9% OFF$43.95$39.95
Radiator ValvesEveThermo
51% OFF€79.95€39.49
Temperature & Humidity SensorsEveWeather
$87.95
Wall OutletsEveEve Energy Outlet
$54.95
Wall SwitchesEveDimmer Switch
8% OFF$54.95$50.55
Wall SwitchesEveLight Switch (EU)
€97.99
Wall SwitchesEveLight Switch (US)
9% OFF$54.95$49.95- Water Leak SensorsEve
Water Guard
28% OFF$109.95$78.99 
Water ValvesEveAqua
14% OFF$164.95$142.45
Door & Window SensorsHeimanWindow Door Alarm
15% OFF$19.98$16.98
Motion SensorsHeimanSmart Motion Sensor
$23.99
Motion SensorsHeimanWiFi Smart Motion Sensor
$12.98
SirensHeimanSmart Siren HS2WD series
$79.99
Smoke & CO DetectorsHeimanHS1SA Series Smoke Alarm
5% OFF£16.99£16.14
Smoke & CO DetectorsHeimanMatter Smoke Detector S1-M
$39.99
Smoke & CO DetectorsHeimanSmart CO Alarm
17% OFF$59.99$49.99
Vibration SensorsHeimanSmart Vibration Sensor HS1VS series
$14.90- Water Leak SensorsHeiman
Smart Water Leakage Sensor
35% OFF$19.99$12.99