Sensi Emerson Room Sensor vs Sonoff LCD Smart Temperature Humidity Sensor

Sonoff LCD Smart Temperature Humidity Sensor, with its 2.5 inch LCD, alerts, history, automations and support for Google Home, Alexa and Home Assistant, at a lower price. Sensi Emerson Room Sensor is better received and has a 3 year warranty, but it only works with a Sensi Touch 2 thermostat.

No. Sensi Emerson Room Sensor connects over Bluetooth to a Sensi Touch 2 thermostat only, with no documented Alexa, Google Home, Apple HomeKit, SmartThings, Home Assistant or Matter support. Sonoff LCD Smart Temperature Humidity Sensor joins any Zigbee network and reports to whichever platform runs it.

Yes. Both report temperature and humidity. The difference is what happens next: Sonoff LCD Smart Temperature Humidity Sensor can alert on either and trigger automations, while Sensi Emerson Room Sensor feeds its readings to the Sensi thermostat for zoning decisions.

Sonoff LCD Smart Temperature Humidity Sensor, thanks to its 2.5 inch LCD. Sensi Emerson Room Sensor has no display, so the reading is only visible on the Sensi thermostat or in its app.

Sensi Emerson Room Sensor carries a 3 year warranty and runs on two AAA cells. Sonoff LCD Smart Temperature Humidity Sensor has a 1 year warranty and a CR2450 rated for about two years, with a low-battery alert so you are warned before it stops reporting.

Owners of a Sensi Touch 2 thermostat with hot or cold rooms who want that room used as the reference, and who value the long warranty. Anyone building platform-agnostic climate monitoring will get much more from Sonoff LCD Smart Temperature Humidity Sensor.