Updated February 2026
Data from Amazon and official Ecobee and Fibaro sites.
2026 verdict
Across the full comparison in 2026, Ecobee SmartSensor for Doors & Windows earns the nod. It builds its lead on rating, warranty, and battery life, then backs it up with a stronger showing on integrations. There is still a case for Fibaro Door / Window Sensor 2, but mainly if price and alerts is what you value most. That is enough to make Ecobee SmartSensor for Doors & Windows the better pick for most buyers.
FeatureEcobee SmartSensor for Doors & WindowsFibaro Door / Window Sensor 2Winner
Price$79.99$50.45Fibaro Door / Window Sensor 2
Rating4.23.7Ecobee SmartSensor for Doors & Windows
Warranty3 years1 yearEcobee SmartSensor for Doors & Windows
Battery Life3 years2 yearsEcobee SmartSensor for Doors & Windows
IntegrationsGoogle Home, Alexa, Apple HomeKitHome AssistantEcobee SmartSensor for Doors & Windows
AlertsDoor & Window Open/Close Alerts, Motion AlertsDoor & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery AlertsFibaro Door / Window Sensor 2
Weather ResistanceNONOTie
Connectivity2.4 GHz WifiZ-WaveTie
SensorsDoor & Window Open/Close, OccupancyDoor & Window Open/Close, TemperatureTie
Winner
$79.99
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  • + Rating: 4.2
  • + Warranty: 3 years
  • + Battery Life: 3 years
  • - Price: $79.99 vs $50.45
  • - Alerts: Door & Window Open/Close Alerts, Motion Alerts vs Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts

Frequently Asked Questions (FAQ)

Which is better overall: Ecobee SmartSensor for Doors & Windows or Fibaro Door / Window Sensor 2?
Ecobee SmartSensor for Doors & Windows has the stronger overall profile in this comparison, especially for rating, warranty, and battery life.
What is the biggest difference between Ecobee SmartSensor for Doors & Windows and Fibaro Door / Window Sensor 2?
Price is one of the clearest differences: Ecobee SmartSensor for Doors & Windows lists $79.99, while Fibaro Door / Window Sensor 2 lists $50.45.
Which one looks better on price?
Ecobee SmartSensor for Doors & Windows is listed at $79.99, while Fibaro Door / Window Sensor 2 is listed at $50.45. Fibaro Door / Window Sensor 2 (better spec).
Who should buy Ecobee SmartSensor for Doors & Windows?
Choose Ecobee SmartSensor for Doors & Windows if your priority is rating and warranty and that matters more than price.
Who should buy Fibaro Door / Window Sensor 2?
Choose Fibaro Door / Window Sensor 2 if your priority is price and alerts and that matters more than rating.
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