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  1. Thermostats
  2. Emerson Sensi Touch WiFi Thermostat
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Emerson

Emerson Sensi Touch WiFi Thermostat

Model: ST75

$119.99 – $179.99

HD touchscreen thermostat with HomeKit, geofencing, and Energy Star certification

AlexaGoogle HomeHomeKitSmartThings
wired
SpecsReview
CompatibilitySpecsFeaturesPros & ConsRelated
CompatibilitySpecsFeaturesPros & ConsRelated

The Emerson Sensi Touch WiFi Thermostat by Emerson is compatible with Apple HomeKit, Amazon Alexa, Google Home, Samsung SmartThings, and Home Assistant. It connects via Wi-Fi. Street price ranges from $119.99 to $179.99. Explore detailed specifications, platform compatibility, and feature comparisons below.

Compatibility

Platform Compatibility

Alexa
Google Home
HomeKit
SmartThings
Matter
Home Assistant
IFTTT

Connectivity

WiFi (2.4GHz)
Zigbee
Z-Wave
Thread
Bluetooth
Bluetooth LE
Infrared

Specifications

Physical

Power Source
wired
Indoor/Outdoor
indoor

Thermostats Specs

Display
HD color touchscreen with adjustable backglow
Dimensions
5.625 x 3.4 x 1.17 inches
Energy Star
Yes
Geofencing
Yes
Scheduling
7-day flexible
Install Time
30 minutes or less
Smart Alerts
Extreme temp and humidity
Usage Reports
Yes
C Wire Required
Yes
Average Savings
23% on HVAC energy

Features

Energy Monitoring
Scheduling
Voice Control
Timer
Away Mode
Physical Button
LED Indicator
LED Customizable
OTA Updates
Local API
Compact Design

Pros & Cons

Pros

  • Native Apple HomeKit support
  • HD color touchscreen display
  • Alexa, Google, SmartThings compatible
  • Energy Star certified (23% avg savings)
  • Geofencing for auto temp control
  • 7-day flexible scheduling
  • Smart alerts for extreme temps
  • Easy 30-minute installation
  • Home Assistant via HACS integration

Cons

  • C-wire required (no battery backup option)
  • HA integration is cloud-based, not local
  • Temperature sensor can be inaccurate
  • Screen unresponsive after power outages
  • No learning capability
  • No Matter support
  • Geofencing in some reviews said missing
  • Cloud-dependent for remote features

Best For

Apple HomeKit smart homesBudget-conscious smart home usersHomes with C-wire availableEnergy savings priority

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