Sensi Smart Thermostat

Name: Sensi Smart Thermostat
Brand: Copeland (formerly Emerson)
Price: 129 USD

by Copeland (formerly Emerson)

ENERGY STAR-certified Wi-Fi smart thermostat from Copeland with a contractor partner program, branding, and Contractor Mode.

6.0 Good See breakdown →

Highlights

Smart Tool 26 Features 10 Integrations

Capabilities

Custom Mobile App

Buy from Copeland (formerly Emerson) Visit website

Media

Sensi Touch 2 Smart Thermostat product lifestyle photo showing the device mounted on a wall

About This Product

The Sensi ST55U is a residential Wi-Fi smart thermostat compatible with most HVAC systems, featuring DIY installation without a common wire (c-wire) in most applications.

Capabilities

How this product is delivered and what's included out of the box.

Mobile app: Available
Free trial: No
Free tier: No
Public API: No
Deployment: On Premise

Tool Specifications

Battery: Two AA Batteries
Warranty: 3 years
Ecosystem: Sensi Connect
Companion App: Sensi mobile app

Connectivity

Wifi

Data Logging Mobile App

Thermostat Capabilities

Communication: 24V conventional (low-voltage) Wi-Fi thermostat
Communicating Compatibility: No proprietary OEM communicating-protocol compatibility found; standard 24V system support only
C-Wire: Not required for most conventional installs; C-wire required for Apple HomeKit, heat-only, cool-only, and heat pump systems
Voice Assistants: Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings
Zoning: Not indicated as a zoning controller (single-zone smart thermostat)
IAQ Sensors: Humidity sensor (indoor humidity display + humidity control); no PM/CO2/VOC IAQ sensors found
Geofencing: Yes — geofencing referenced as part of energy-saving features
BMS / BACnet: No BACnet/BMS support found
Dealer Portal: Sensi Partner Program (contractor program) with digital branding and batch thermostat registration; in-app Contractor Mode
Pro Features: Contractor Mode (pro setup), AC Protection, Smart Alerts, Circulating Fan, Dual Fuel Logic, Auto Changeover, batch registration via Sensi Partner Program. No detailed remote diagnostics/fault-code system confirmed.

Sources

https://thermostat.guide/emerson/emerson-st55-sensi-smart-thermostat-product-specifications/https://www.amazon.com/Emerson-Sensi-Smart-Thermostat-ST55U/dp/B09LVVW53Y https://sensi.copeland.com/en-us/shop/sensi/sensi-sku-st55

FSH Score Breakdown

Ease of Use

7.5

Features

6.8

Support

5.0

Value

7.0

Integrations

4.0

AI Capabilities

1.5

Features

26 features confirmed across 10categories· Showing confirmed capabilities only

Equipment & Asset Management10features

Dealer Remote AccessRemote access and controlLive View and Remote ControlRemote control via smartphone or tabletRemote MonitoringRemote accessAlertsFilter remindersAir Filter Change RemindersController Firmware Upgrades and ProgrammingIndoor Air Quality ControlReal-Time System Updates and Smart Alerts

Show 2 more

Multi-Brand Equipment CompatibilityHVAC system compatibility with most homesAir Quality MonitoringSmart alerts for extreme temperatures and humidity

Reporting & Analytics3features

ReportingUsage reportsEquipment Performance Data and Exception ReportsUsage reports for heating, cooling, and fan runtimesEnergy Consumption ReportingUsage reports (heating, cooling, and fan runtimes)