Battery contact sensor for ecobee thermostats that reports doors and windows opening and closing. It reaches Home Assistant through the thermostat it is paired to, over the HomeKit Device integration.
Sold in pairs. Each sensor talks to an ecobee thermostat or camera over 915 MHz, up to 60 ft away: pair it in the ecobee app, and a thermostat paired to Home Assistant with the HomeKit Device integration brings it in as a contact sensor. The ecobee cloud integration does not expose these sensors.
The motion detection ecobee advertises only runs while ecobee’s own security system is armed, and needs a Smart Security subscription. A CR2477 coin cell lasts up to three years.
Recipes using this device
Door or Window Left Open Alert
Installs a Home Assistant automation that watches your door and window sensors and pushes a notification to your phone when one is left open past a grace period while nobody is home. Add lights and it flashes the room, add a speaker and it announces the warning out loud.
Window Open HVAC Pause
Installs a Home Assistant automation that turns the thermostat off when a window is left open, so you are not heating or cooling the street, and turns it back to the mode it was in once every window is shut. Add door sensors and a temperature sensor for the full picture.
Recipes that can use it
These recipes are built around other hardware, and pick this device up as an optional extra.