Winner
Updated December 2025
Data from Amazon and official Eufy and Fibaro sites.
2026 verdict
In this 2026 eufy Security Flood & Freeze Sensor E20 vs Fibaro Flood Sensor (HomeKit) comparison, eufy Security Flood & Freeze Sensor E20 comes out ahead thanks to price, rating, and weather resistance.
Its clearest strengths are price, rating, and weather resistance, and it still looks stronger on battery life. There is still a case for Fibaro Flood Sensor (HomeKit), but mainly if integrations, sensors, and alerts are what you value most. That is why the final call still favors eufy Security Flood & Freeze Sensor E20.
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| Feature | eufy Security Flood & Freeze Sensor E20 | Fibaro Flood Sensor (HomeKit) | Winner |
|---|---|---|---|
| Price | $39.99 | $43.28 | eufy Security Flood & Freeze Sensor E20 |
| Rating | 4.2 | 4.1 | eufy Security Flood & Freeze Sensor E20 |
| Weather Resistance | IP54 | NO | eufy Security Flood & Freeze Sensor E20 |
| Battery Life | 5 years | 2 years | eufy Security Flood & Freeze Sensor E20 |
| Integrations | Home Assistant | Apple HomeKit, Home Assistant | Fibaro Flood Sensor (HomeKit) |
| Sensors | Water Leak, Temperature | Water Leak, Temperature, Tilt | Fibaro Flood Sensor (HomeKit) |
| Alerts | Water Leak Alerts, Freeze Temperature Alerts, Low Battery Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts | Fibaro Flood Sensor (HomeKit) |
| Connectivity | 2.4 GHz WiFi | Bluetooth | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | YES | YES | Tie |
Winner
- + Price: $39.99
- + Rating: 4.2
- + Weather Resistance: IP54
- - Integrations: Home Assistant vs Apple HomeKit, Home Assistant
- - Sensors: Water Leak, Temperature vs Water Leak, Temperature, Tilt
- + Integrations: Apple HomeKit, Home Assistant
- + Sensors: Water Leak, Temperature, Tilt
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts
- - Price: $43.28 vs $39.99
- - Rating: 4.1 vs 4.2
Frequently Asked Questions
Which is better overall: eufy Security Flood & Freeze Sensor E20 or Fibaro Flood Sensor (HomeKit)?
eufy Security Flood & Freeze Sensor E20 has the stronger overall profile in this comparison, especially for price, rating, and weather resistance.
What is the biggest difference between eufy Security Flood & Freeze Sensor E20 and Fibaro Flood Sensor (HomeKit)?
Price is one of the clearest differences: eufy Security Flood & Freeze Sensor E20 lists $39.99, while Fibaro Flood Sensor (HomeKit) lists $43.28.
Which one looks better on price?
eufy Security Flood & Freeze Sensor E20 is listed at $39.99, while Fibaro Flood Sensor (HomeKit) is listed at $43.28. eufy Security Flood & Freeze Sensor E20 (better spec).
Who should buy eufy Security Flood & Freeze Sensor E20?
Choose eufy Security Flood & Freeze Sensor E20 if your priority is price and rating and that matters more than integrations.
Who should buy Fibaro Flood Sensor (HomeKit)?
Choose Fibaro Flood Sensor (HomeKit) if your priority is integrations and sensors and that matters more than price.
Full comparison table
Compare all 33 Water Leak Sensors side by side
You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 33 Water Leak Sensors
- 36 specs compared
- 33 filters
ShellyFlood S Gen4
$27.99
YoLinkWater Leak Sensor 4
17% OFF$23.99$19.99
YoLinkWater Leak Sensor 1
10% OFF$16.99$15.29
X-SenseWi-Fi Water Leak Detector
$15.99
TP-LinkTapo T300
15% OFF$19.99$16.99
SwitchBotWater Leak Detector
$16.99
AeotecWater Leak Sensor
$39.99
EufyWater and Freeze Sensor
$34.99
EveWater Guard
$109.95
AqaraWater Leak Sensor T1
C$36.99
GoveeWater Leak Detector 2
$69.99
SwitchBotWater Leak Detector (Sensor Cable Edition)
10% OFF$19.99$17.99
FibaroFlood Sensor (Z-Wave)
16% OFF$78.53$66.12
SonoffZigbee Water Leak Sensor
$14.99
AqaraWater Leak Sensor
$18.99
GoveeWater Sensor Alarm
$15.99
ShellyFlood Gen4
$39.99- Eufy
Flood & Freeze Sensor E20
$39.99 
HeimanSmart Water Leakage Sensor
20% OFF$19.99$15.99
FibaroFlood Sensor (HomeKit)
$43.28
CamerasEufy4G Camera S230
4.0(197)$109.99
CamerasEufy4G LTE Cam S330
4.0(1,240)20% OFF$249.99$199.99
CamerasEufyCam S3 Pro
4.4(299)$219.99
CamerasEufyCam S330
4.3(961)32% OFF$219.99$149.99
CamerasEufyCam S4
4.2(461)$349.99
CamerasEufyIndoor Cam C120
4.3(589)$29.99
CamerasEufyIndoor Cam E220
4.4(21,448)9% OFF$54.99$49.99
CamerasEufyIndoor Cam E30
4.4(2,443)21% OFF$69.99$54.98
CamerasEufyOutdoor Cam E210
4.4(1,639)$59.99
CamerasEufyOutdoor Cam E220
4.2(2,043)$79.00
CamerasEufyPoE Bullet-PTZ Cam E50
$249.99
CamerasEufySoloCam E30
4.3(1,297)33% OFF$149.99$99.99
CamerasEufySoloCam E42
4.2(1,123)33% OFF$179.99$119.99
CamerasEufySoloCam S220
4.2(6,595)30% OFF$99.99$69.99
CamerasEufySoloCam S230
4.4(147)$129.99
CamerasEufySoloCam S340
4.2(6,871)30% OFF$199.99$139.99
CamerasEufyTrackLight Cam S1
$299.99
CamerasEufyWall Light Cam S4
3.9(17)$249.99
CamerasEufyWired Cam C31
4.3(741)23% OFF$59.99$45.99
DoorbellsEufyVideo Doorbell C31 (with Battery Pack)
4.0(830)$129.99
Door & Window SensorsFibaroDoor / Window Sensor 2
3.6(58)$50.45
Door & Window SensorsFibaroDoor / Window Sensor
3.2(58)$48.53
HubsFibaroHome Center Lite
3.4(39)$149.00
Motion SensorsFibaroFGBHMS-001
3.5(192)$56.10
PlugsFibaroWall Plug (EU)
4.6(522)
PlugsFibaroWall Plug with USB (US)
4.0(44)$51.28- Water Leak SensorsFibaro
Flood Sensor (Z-Wave)
4.3(233)16% OFF$78.53$66.12 - Water Leak SensorsFibaro
Flood Sensor (HomeKit)
4.1(359)$43.28