Ecobee SmartSensor for Doors & Windows vs Ring Window and Door Contact Sensor (2nd gen)

The Ecobee SmartSensor for Doors & Windows wins overall on a longer 3-year warranty and added occupancy and motion sensing, plus HVAC-pausing. The Ring Window and Door Contact Sensor (2nd gen) counters with a lower price and a higher owner rating within a Ring Alarm system.

Purpose and ecosystem. The Ecobee SmartSensor for Doors & Windows pairs with an ecobee thermostat to pause HVAC and add occupancy sensing, while the Ring Window and Door Contact Sensor (2nd gen) is a slim security sensor for a Ring Alarm base station. Each requires its own hub.

The Ecobee SmartSensor for Doors & Windows. It adds occupancy detection and motion alerts (the latter on subscription) beyond contact sensing, while the Ring Window and Door Contact Sensor (2nd gen) is a contact-only device. For built-in presence detection, the ecobee leads.

Yes. The Ecobee SmartSensor for Doors & Windows requires an ecobee thermostat, and the Ring Window and Door Contact Sensor (2nd gen) requires a Ring Alarm base station. Neither works standalone, and each reaches its platforms through its own hub.

Buy the Ring Window and Door Contact Sensor (2nd gen) if you use or plan a Ring Alarm system and want an affordable, higher-rated sensor with instant alerts, multi-year battery life, and Alexa, IFTTT and Home Assistant support.

Buy the Ecobee SmartSensor for Doors & Windows if you own an ecobee thermostat and want occupancy sensing, HVAC-pausing on an open door, and a longer 3-year warranty. Its full security features require an ecobee Smart Security subscription.