Ecobee SmartSensor for Doors & Windows vs Eufy Entry Sensor

The Ecobee SmartSensor for Doors & Windows wins overall on a longer 3-year warranty, longer rated battery life, and added occupancy sensing and motion alerts, plus HVAC-pausing. The Eufy Entry Sensor counters with a lower price, higher owner rating, and subscription-free eufy Security integration.

The ecosystem and its purpose. The Ecobee SmartSensor for Doors & Windows ties into an ecobee thermostat to pause heating or cooling on an open door and add occupancy sensing, while the Eufy Entry Sensor triggers eufy sirens, chimes and cameras through a HomeBase for DIY security. Each needs its own maker's hub.

The Eufy Entry Sensor does not, and that is a key selling point: siren, chime and camera triggering and home/away modes all work with no monthly fee. The Ecobee SmartSensor for Doors & Windows gives you basic alerts and HVAC-pausing for free, but its security features like motion and arm/disarm require an ecobee Smart Security subscription.

The Ecobee SmartSensor for Doors & Windows. It adds occupancy detection and motion alerts (the latter on subscription) beyond contact sensing, while the Eufy Entry Sensor is a contact-only device. If you want presence detection built in, the ecobee leads.

Buy the Eufy Entry Sensor if you already run a eufy HomeBase and want affordable, subscription-free door and window security with long battery life that triggers eufy sirens, chimes and cameras. It is the cheaper, higher-rated option, but it lacks HomeKit, Alexa and Google support.

Buy the Ecobee SmartSensor for Doors & Windows if you own an ecobee thermostat and want to pause HVAC on an open door plus occupancy sensing, backed by a 3-year warranty and battery. Be ready to subscribe to ecobee Smart Security for the full security feature set.