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Sensi ST25 Facts: 148 Specifications & 92 Highlights

The Sensi ST25 thermostats comes packed with 148 useful specs & features — from general information, physical & installation, display & controls & connectivity & smart features to more. Here’s what smart shoppers are looking at on Techspotr.

74 Points
Sensi ST25

Highlights 92

No extras. Just what matters.
74 Points

Why is Sensi ST25 better than other thermostats ?

General Information

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Physical & Installation

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Display & Controls

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Connectivity & Smart Features

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Sensors & Monitoring

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Scheduling & Automation

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HVAC Compatibility

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Power & Electrical

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Safety, Compliance & Reliability

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Sensi ST25, covering its standout specification and what you can expect right out of the box.

Sensi ST25
Sensi ST25

Sensi Lite Smart Thermostat, a compact and economical WiFi-enabled device manufactured by Emerson (now Copeland), has the product number Sensi ST25. It has a stylish, high-contrast digital display and includes energy-saving features such as geofencing and remote scheduling using the Sensi app.

Specifications & Facts 148

Specs measured. Drama avoided.

The Sensi ST25 thermostats is more than a price tag. Explore specs, real pros and cons, and see how it holds up next to similar thermostats — then add your own vote!

General Information 17

Sensi ST25 Thermostat Category

What category of thermostat is this?

100 Sensi ST25 0 Votes Smart

11 Thermostats in this range Non-Programmable

Sensi ST25
Sensi ST25

Categorized as a Smart thermostat, it offers advanced functions beyond traditional temperature regulation.

Indicates the functional category of the thermostat.

Sensi ST25 Release Year

What year was this thermostat released?

98 Sensi ST25 0 Votes 2026

20 Thermostats in this range 2017

Sensi ST25
Sensi ST25

Set to be released in 2026, this thermostat showcases the latest advancements in temperature control technology.

Indicates the year the thermostat model was officially released to the market.

Sensi ST25 Intended Use

What is the intended use of this thermostat?

30 Sensi ST25 0 Votes Residential

11 Thermostats in this range Residential

Sensi ST25
Sensi ST25

Intended for Residential use, this thermostat is optimized for home environments, ensuring effective temperature control.

Specifies the primary usage environment.

Sensi ST25 Installation Location

Where can this thermostat be installed?

50 Sensi ST25 0 Votes Indoor

18 Thermostats in this range Indoor

Sensi ST25
Sensi ST25

The intended installation location is Indoor, ensuring proper functionality within climate-controlled environments.

Describes where the thermostat is designed to be installed.

Sensi ST25 Programmability Type

What type of programmability does it support?

80 Sensi ST25 0 Votes 7-Day

7 Thermostats in this range 7-Day

Sensi ST25
Sensi ST25

The programmability type is set for 7-Day configurations, allowing for customized schedules throughout the week.

Defines scheduling and automation capability.

Sensi ST25 Voice Assistant

Does it support voice assistants?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Sensi ST25
Sensi ST25

The model supports Voice Assistant integration, allowing for convenient hands-free operation.

Indicates compatibility with voice assistants.

Physical & Installation 17

Sensi ST25 Width

What is the width of the thermostat?

5.07 inch 0Votes
Sensi ST25
4.65 inch (Average)

Sensi ST25
Sensi ST25

With a width of 5.07 inches, this thermostat fits conveniently for most installations in home environments.

It's designed to occupy minimal space while providing effective control.

Indicates the horizontal size of the thermostat.

Sensi ST25 Depth

What is the depth of the thermostat?

0.88 inch 0Votes
Sensi ST25
3.72 inch (Average)

Sensi ST25
Sensi ST25

With a depth of 0.88 inches, this thermostat is slim and unobtrusive, allowing for easy placement.

Measures how far the thermostat protrudes from the wall.

Sensi ST25 Height

What is the height of the thermostat?

3.13 inch 0Votes
Sensi ST25
4.3 inch (Average)

Sensi ST25
Sensi ST25

With a height of 3.13 inches, this thermostat creates a compact profile that fits well in modern decor.

Indicates the vertical size of the thermostat.

Sensi ST25 Weight

How much does the thermostat weigh?

0.3 lbs 0Votes
Sensi ST25
0.58 lbs (Average)

Sensi ST25
Sensi ST25

This thermostat has a weight of 0.3 lbs, making it lightweight and easy to handle during installation.

Shows how heavy the thermostat unit is.

Sensi ST25 Mounting Type

How is the thermostat mounted?

100 Sensi ST25 0 Votes Wall-Mounted

39 Thermostats in this range Wall-Mounted

Sensi ST25
Sensi ST25

This thermostat is designed to be Wall-Mounted, saving valuable counter space.

Specifies how the thermostat is mounted.

Sensi ST25 Trim Plate Compatibility

Is it compatible with trim plates?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Sensi ST25
Sensi ST25

Compatible with Trim Plates, this thermostat can be installed with various wall finishes for a finished look.

Shows if trim plates can be added for coverage.

Display & Controls 18

Sensi ST25 Display Type

What type of display does it use?

80 Sensi ST25 0 Votes LCD

26 Thermostats in this range LCD

Sensi ST25
Sensi ST25

The display type is LCD, providing clear visual feedback on temperature settings and modes.

Defines the underlying display technology.

Sensi ST25 Display Size

How large is the display?

3 inch 0Votes
Sensi ST25
3.21 inch (Average)

Sensi ST25
Sensi ST25

With a display size of 3 inches, it provides a balance of visibility without taking up too much space.

Indicates the diagonal size of the display.

Sensi ST25 Backlight

Is the display backlit?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Indicates if the display is backlit.

Sensi ST25 Touchscreen

Does it have a touchscreen?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Shows whether touch input is supported.

Sensi ST25 Adjustable Brightness

Can you adjust the brightness?

No 0Votes Sensi ST25

Yes Thermostats in this range

Allows users to change screen brightness.

Sensi ST25 Color Display

Is it a color display?

No 0Votes Sensi ST25

Yes Thermostats in this range

Indicates support for multiple colors on screen.

Connectivity & Smart Features 17

Sensi ST25 Smart Home Ecosystem Compatibility

Which smart home ecosystems are supported?

90 Sensi ST25 0 Votes Alexa, Google Home

11 Thermostats in this range Alexa, Google Home, Apple HomeKit

Sensi ST25
Sensi ST25

This thermostat integrates well with Alexa and Google Home, allowing for voice-activated commands and smart home integration.

Lists supported smart home platforms.

Sensi ST25 Bluetooth Connectivity

Does it support Bluetooth?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Shows whether Bluetooth connectivity is available.

Sensi ST25 Wi-Fi Connectivity

Does the thermostat support Wi-Fi connectivity?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Indicates whether the thermostat can connect to a Wi-Fi network for smart features and remote control.

Sensi ST25 Wi-Fi Band

Which Wi-Fi bands are supported?

40 Sensi ST25 0 Votes 2.4GHz

6 Thermostats in this range 2.4GHz

Specifies supported Wi-Fi frequency bands.

Sensi ST25 Zigbee

Does it support Zigbee?

No 0Votes Sensi ST25

Yes Thermostats in this range

Indicates compatibility with Zigbee networks.

Sensi ST25 Z-Wave

Does it support Z-Wave?

No 0Votes Sensi ST25

Yes Thermostats in this range

Indicates compatibility with Z-Wave systems.

Sensors & Monitoring 17

Sensi ST25 Temperature Range

What temperature range is supported?

80 Sensi ST25 0 Votes 45-99°F

25 Thermostats in this range 40-90°F

Sensi ST25
Sensi ST25

The temperature range for this model is limited to 45-99°F, suitable for typical household applications.

Indicates supported temperature measurement range.

Sensi ST25 Temperature Sensor Type

What type of temperature sensor is used?

70 Sensi ST25 0 Votes Digital

11 Thermostats in this range Thermistor

Sensi ST25
Sensi ST25

The thermostat is equipped with a Digital temperature sensor, ensuring precise temperature readings and stable performance.

Defines the technology used to measure temperature.

Sensi ST25 Humidity Sensor

Does it measure humidity?

No 0Votes Sensi ST25

Yes Thermostats in this range

Indicates whether humidity is measured.

Sensi ST25 Motion Sensor

Does it have a motion sensor?

No 0Votes Sensi ST25

Yes Thermostats in this range

Detects movement near the thermostat.

Sensi ST25 Occupancy Detection

Can it detect room occupancy?

No 0Votes Sensi ST25

Yes Thermostats in this range

Determines if people are present in the space.

Sensi ST25 Ambient Light Sensor

Does it detect ambient light?

No 0Votes Sensi ST25

Yes Thermostats in this range

Adjusts display or behavior based on light.

Scheduling & Automation 18

Sensi ST25 Vacation Mode

Is there a vacation mode?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Sensi ST25
Sensi ST25

Equipped with a Vacation Mode, this thermostat can automatically adjust settings while users are away.

Maintains efficiency when away for long periods.

Sensi ST25 Away Mode

Does it support away mode?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Sensi ST25
Sensi ST25

Equipped with an Away Mode, this thermostat can adjust settings automatically when you are not at home.

Adjusts settings when occupants leave.

Sensi ST25 Time-Based Triggers

Are time-based triggers supported?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Sensi ST25
Sensi ST25

Time-Based Triggers are included, allowing for automatic temperature changes according to scheduled times.

Executes actions at set times.

Sensi ST25 Event-Based Triggers

Are event-based triggers supported?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Sensi ST25
Sensi ST25

It features Event-Based Triggers, enabling automatic adjustments based on programmed events or conditions.

Responds to events like occupancy changes.

Sensi ST25 Scheduling Capability

Does it support scheduling?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Indicates whether scheduling is supported.

Sensi ST25 Scheduling Type

What type of scheduling is available?

40 Sensi ST25 0 Votes Manual

9 Thermostats in this range Manual

Defines how schedules are created and managed.

HVAC Compatibility 18

Sensi ST25 HVAC System Type

Which HVAC system types are supported?

78 Sensi ST25 0 Votes Central, Split

29 Thermostats in this range Central, Split

Sensi ST25
Sensi ST25

Comprehensive compatibility exists with Central and Split HVAC systems, making it versatile for diverse households.

Defines the general HVAC system types supported.

Sensi ST25 Heating System Compatibility

What heating systems are supported?

47 Sensi ST25 0 Votes Furnace, Boiler, Heat Pump

14 Thermostats in this range Furnace, Boiler, Heat Pump

Sensi ST25
Sensi ST25

This thermostat is compatible with a variety of heating systems including Furnace, Boiler, and Heat Pump, versatile for different setups.

Indicates supported heating system types.

Sensi ST25 Cooling System Compatibility

What cooling systems are supported?

78 Sensi ST25 0 Votes Central AC, Heat Pump

24 Thermostats in this range Central AC, Heat Pump

Sensi ST25
Sensi ST25

Compatible with both Central AC and Heat Pump systems, this thermostat offers flexibility for various heating and cooling setups.

Indicates supported cooling system types.

Sensi ST25 Heat Pump Compatibility

Does it support heat pumps?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Indicates support for heat pump systems.

Sensi ST25 Dual Fuel

Does it support dual fuel systems?

No 0Votes Sensi ST25

Yes Thermostats in this range

Supports dual-fuel HVAC configurations.

Sensi ST25 Multi-Stage Heating

Does it support multi-stage heating?

No 0Votes Sensi ST25

Yes Thermostats in this range

Indicates support for multi-stage heating.

Power & Electrical 12

Sensi ST25 Operating Voltage Range

What voltage range can it operate in?

65 Sensi ST25 0 Votes 18-30 VAC

21 Thermostats in this range 18-30 VAC

Describes acceptable voltage range.

Sensi ST25 Power Source

What is the power source?

20 Sensi ST25 0 Votes Battery

10 Thermostats in this range Hardwired

Indicates how the thermostat receives power.

Sensi ST25 Battery Type

What type of battery is used?

50 Sensi ST25 0 Votes AA

15 Thermostats in this range AA

Specifies the battery format used.

Sensi ST25 Battery Backup

Is there battery backup?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Maintains operation during power outages.

Sensi ST25 Battery Life

How long does the battery last?

12 months 0Votes
Sensi ST25
15.26 months (Average)

Estimates how long batteries last under normal use.

Sensi ST25 Input Voltage

What input voltage is required?

24 Volt 0Votes
Sensi ST25
62.79 Volt (Average)

Specifies required input voltage.

Safety, Compliance & Reliability 14

Sensi ST25 Warranty Length

How long is the warranty?

60 Sensi ST25 0 Votes 3 years

19 Thermostats in this range 5 years

Indicates duration of warranty coverage.

Sensi ST25 Overheat Protection

Is overheat protection included?

Yes 0Votes Sensi ST25

Yes Thermostats in this range

Protects device from overheating.

Sensi ST25 Operating Temperature Range

What is the operating temperature range?

60 Sensi ST25 0 Votes 32-104°F

23 Thermostats in this range 32-104°F

Defines the ambient temperature range for safe operation.

Sensi ST25 Operating Humidity Range

What humidity range is supported?

70 Sensi ST25 0 Votes 5-95%

24 Thermostats in this range 5-90%

Specifies allowable humidity levels during operation.

Sensi ST25 Storage Temperature Range

What is the storage temperature range?

78 Sensi ST25 0 Votes -4-140°F

28 Thermostats in this range -4-140°F

Indicates safe temperature range when not in use.

Sensi ST25 Electrical Safety Certification

What electrical safety certifications does it have?

80 Sensi ST25 0 Votes UL

30 Thermostats in this range UL

Lists electrical safety certifications.

Surveys

Because hot takes deserve votes.

Sensi ST25 Temperature Accuracy

How accurate is this thermostat at maintaining the set temperature during daily use?

Extremely accurate — Within plus or minus 0.5 degrees 0Votes
Very accurate — Within plus or minus 1 degree 0Votes
Decently accurate — Within plus or minus 2 degrees 0Votes
Somewhat inconsistent — Within plus or minus 3 degrees 0Votes
Very inconsistent — More than plus or minus 3 degrees 0Votes

Sensi ST25 Response Speed to Temperature Changes

How quickly does this thermostat react after the temperature setting is adjusted?

Instant response — Under 30 seconds 0Votes
Quick response — 30 seconds to 1 minute 0Votes
Moderate response — 1 to 3 minutes 0Votes
Slow response — 3 to 5 minutes 0Votes
Very slow response — Over 5 minutes 0Votes

Sensi ST25 Ease of Setup and Installation

How easy is it to install and set up this thermostat for the first time?

Super easy and stress free — Finished in under 15 minutes 0Votes
Pretty straightforward — About 15 to 30 minutes 0Votes
Manageable with effort — Around 30 to 60 minutes 0Votes
Time consuming and confusing — 1 to 2 hours 0Votes
Extremely frustrating — Over 2 hours 0Votes

Sensi ST25 Ease of Daily Use

How easy is it to control and adjust this thermostat in everyday use?

Effortless and intuitive — No learning needed 0Votes
Mostly easy to use — Minor learning curve 0Votes
Usable but not smooth — Takes regular effort 0Votes
Often confusing — Requires frequent checking 0Votes
Hard to use — Causes daily frustration 0Votes

Sensi ST25 Smart Features and App Experience

How well do the smart features and mobile app work with this thermostat?

Smooth and reliable — No crashes or delays 0Votes
Mostly reliable — Rare glitches 0Votes
Usable but basic — Limited features 0Votes
Unreliable — Frequent bugs or delays 0Votes
Barely usable — Often fails to work 0Votes

Sensi ST25 Energy Efficiency and Savings

How much does this thermostat help reduce energy usage over time?

Major savings — Over 20 percent reduction 0Votes
Noticeable savings — 10 to 20 percent 0Votes
Some savings — 5 to 10 percent 0Votes
Minimal savings — Under 5 percent 0Votes
No savings — No noticeable reduction 0Votes

Sensi ST25 Noise Level During Operation

How noticeable is the noise from this thermostat during normal operation?

Completely silent — No audible sound 0Votes
Very quiet — Barely noticeable 0Votes
Occasionally noticeable — Soft clicking sounds 0Votes
Often noticeable — Clearly audible sounds 0Votes
Annoyingly loud — Distracting noise 0Votes

Sensi ST25 Design and Display Appeal

How appealing is the look and display of this thermostat in a home environment?

Modern and premium — Looks high end 0Votes
Clean and stylish — Fits most interiors 0Votes
Simple and acceptable — Nothing special 0Votes
Outdated design — Feels old fashioned 0Votes
Unattractive look — Stands out poorly 0Votes

Sensi ST25 Durability and Build Quality

How durable does this thermostat feel with long term everyday use?

Very durable — Expected to last 10 years or more 0Votes
Solid build — Around 7 to 10 years 0Votes
Average quality — About 5 to 7 years 0Votes
Feels fragile — Roughly 3 to 5 years 0Votes
Very flimsy — Under 3 years 0Votes

Sensi ST25 Pricing and Value

How does the price of this thermostat feel compared to its overall features and performance?

Great value for money — Worth every dollar 0Votes
Pretty good price — Slightly above average 0Votes
Fair deal — Matches what you get 0Votes
Kinda pricey — Costs more than expected 0Votes
Crazy expensive — Not worth the price 0Votes

Reviews 0

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