The Best Smart Thermostat Deals This Week*
*Deals are selected by our commerce team
If you’re looking to smarten up your home, your thermostat is a good place to start and can help you save a considerable chunk of money by reducing your heating and cooling costs. However, not all smart thermostats are equally capable; some that work with simple heating and cooling systems just offer basic scheduling and programming options, while others that support complex multi-stage systems can control heating, cooling, dehumidifier, and ventilation systems. As is the case with most smart home devices, prices vary depending on features and capabilities. Read on to find out what to look for when shopping for your smart thermostat, as well as our favorite models in testing.
Deeper Dive: Our Top Tested Picks
Ecobee Smart Thermostat Premium
Best Overall
Bottom Line:
The feature-rich Ecobee Smart Thermostat Premium controls your heating and cooling, works as a smart speaker and security device, monitors air quality, and supports lots of third-party platforms.
PROS
Supports Alexa, Google Assistant, HomeKit, IFTTT, and SmartThings
Doubles as a home security device and smart speaker
Monitors air quality
Dual-band Wi-Fi
Beautiful design
CONS
Pricey
Some features require a subscription
SPECS
Name
Value
Compatibility
2 Stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT, SmartThings
Learn More
Ecobee Smart Thermostat Premium Review
Nest Learning Thermostat (3rd Generation)
Best for Automatic Temperature Settings
Bottom Line:
The third-generation Nest Learning Thermostat has all the smarts of its predecessors and adds some new features including a larger display, geofencing support, a furnace monitor, and a few more sensors.
PROS
Sleek design.
Easy to install.
Loaded with features.
Interacts with other Nest and third-party devices.
Support for Alexa, Google Home, and IFTTT.
CONS
Lacks remote room sensors.
Pricey.
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
IFTTT, Nest
Learn More
Nest Learning Thermostat (3rd Generation) Review
Nest Thermostat
Most Affordable Nest Thermostat
Bottom Line:
The relatively affordable entry-level Nest Thermostat lets you control your heating and cooling system by phone or voice, set temperature schedules, and offers energy-saving features that can help lower your bill.
PROS
Affordable
Attractive design
Works with Amazon Alexa and Google Assistant voice commands
Supports scheduling and routines
Lets you monitor your energy usage and suggests ways to cut back
Warns you about potential HVAC issues
CONS
No touch screen
Geofencing can be finicky
Can’t automatically set schedules
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
None
Learn More
Nest Thermostat Review
Wyze Thermostat
Best Thermostat Under $100
Bottom Line:
The sub-$100 Wyze Thermostat lets you accurately control the cooling and heating in home with your phone or via Alexa and Google Assistant voice commands.
PROS
Affordable
Supports Alexa and Google Assistant
Works with other Wyze devices
Generates usage reports with energy-saving tips
CONS
Doesn’t support HomeKit or IFTTT
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Amazon Alexa, Google Assistant
Learn More
Wyze Thermostat Review
Amazon Smart Thermostat
Best for Alexa Users
Bottom Line:
The very affordable Amazon Smart Thermostat lets you control your heating and cooling system from your phone or via Alexa voice commands.
PROS
Affordable
Supports Alexa voice commands
Reports energy usage
CONS
Does not work with Google Assistant, HomeKit, or IFTTT
Lacks remote sensors
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Amazon Alexa
Learn More
Amazon Smart Thermostat Review
Ecobee Smart Thermostat Enhanced
Best Affordable Ecobee Thermostat
Bottom Line:
The sleek Ecobee Smart Thermostat Enhanced lets you control your HVAC system and monitor your home with your voice or phone for $60 less than the Premium model.
PROS
Stylish design
Easy to install
Dual-band Wi-Fi
Works with Alexa, Google Assistant, HomeKit, and IFTTT
Doubles as a security hub
CONS
Some features require a subscription
Package doesn’t include remote sensors
SPECS
Name
Value
Compatibility
2 Stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT
Learn More
Ecobee Smart Thermostat Enhanced Review
Emerson Sensi Touch 2 Smart Thermostat ST76
Best Touch Screen
Bottom Line:
The Sensi Touch 2 is a feature-rich smart thermostat with a large color touch screen, support for several popular home automation platforms, and compatibility with up to 15 remote sensors for balanced temperatures in every room.
PROS
Responsive color touch screen
Works with room sensors
Dual-band Wi-Fi
Supports Amazon Alexa, Google Assistant, and SmartThings
Generates energy usage reports
CONS
Doesn’t work with Apple HomeKit, IFTTT, or Matter
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Amazon Alexa, Google Assistant, SmartThings
Learn More
Emerson Sensi Touch 2 Smart Thermostat ST76 Review
Honeywell Home T9 Smart Thermostat With Sensor
Best for Multiple Rooms
Bottom Line:
The Honeywell Home T9 Smart Thermostat is a dual-band Wi-Fi thermostat that uses long-range sensors to provide uniform temperatures throughout your home.
PROS
Easy to install
Remote room sensor
Works with Alexa, Cortana, and Google voice commands
Dual-band Wi-Fi
CONS
Doesn’t integrate directly with other Honeywell smart devices
Limited IFTTT functionality
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Amazon Alexa, Google Assistant, Apple HomeKit, IFTTT, SmartThings
Learn More
Honeywell Home T9 Smart Thermostat With Sensor Review
Sensi Smart Thermostat ST55
Best Affordable Model for HomeKit Users
Bottom Line:
The Sensi ST55 is a reasonably priced smart thermostat that’s easy to install and works with numerous home automation and voice control platforms.
PROS
Affordable
Works with multiple home automation platforms
Compatible with Alexa, Google, and Siri voice commands
Supports geofencing
CONS
Ho-hum design
Doesn’t support IFTTT
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Apple HomeKit
Learn More
Sensi Smart Thermostat ST55 Review
Sinope TH1123WF Smart Wi-Fi Thermostat
Best for Electric Heating Systems
Bottom Line:
The Sinope TH1123WF smart thermostat is solely for line-voltage electric heating systems, but it offers Wi-Fi connectivity and works with several smart home devices and services for an affordable price.
PROS
Reasonably priced
Works with Alexa, Google Assistant, and HomeKit
Easy to install
CONS
Doesn’t work with gas or oil systems
Installation requires work with electrical wiring
SPECS
Name
Value
Compatibility
Multi-stage
C-Wire
Self-Install
Multiple Zones
Sensors
Motion Activation
Geofencing
Smart Home Integration
Apple HomeKit, SmartThings
Learn More
Sinope TH1123WF Smart Wi-Fi Thermostat Review
Buying Guide: The Best Smart Thermostats for 2024
How to Choose a Smart ThermostatSmart thermostats offer a variety of features that can not only help keep your home comfortable, but can reduce heating and cooling costs. The most basic models are relatively inexpensive but still have Wi-Fi radios that allow you to connect the device to your home network and the internet. You can control them remotely from a mobile device, and sometimes even from a web browser.Basic controls allow you to raise and lower the temperature, create a seven-day heating and cooling schedule, override the schedule if you or a family member plans to return home early or late, and turn the system on and off. The Nest Learning Thermostat takes scheduling a step further; it can create a heating and cooling schedule based on when you are usually home or away, factoring in what temperature you prefer during those times.
Nest Thermostat (Credit: Nest)
As is usually the case, you get more features if you pay more. A bright, colorful touch display makes it easy to configure and program the thermostat and gives it a touch of style—these types of screens are also usually legible from across a room. Moderately priced thermostats don’t usually display the current time and temperature until you tap the screen, but more expensive devices use motion sensors to turn on their displays automatically when you enter the room.Many of the latest smart thermostats contain humidity sensors that notify you of high or low humidity levels, and some models even show your local weather forecast. The Ecobee Smart Thermostat With Voice Control comes with a remote room sensor that helps keep temperatures uniform throughout your house, especially in rooms that are far away from the thermostat.If you want your thermostat to automatically lower the temperature when you leave your house and kick back on when you arrive home, look for a model that supports geofencing technology, such as the Nest Thermostat. Geofencing uses your phone’s location services to let the thermostat know when you have entered or exited a virtual perimeter around the house. You can set your preferred Home and Away temperatures via a companion app, and then the thermostat will work to achieve those numbers once it detects you entering or leaving the perimeter. Just make sure you have your phone with you when you leave the house.Usage reporting is another helpful feature that lets you see historical data on how often your system is running and how long it takes to meet its target temperature. Some thermostats even tell you what the outside temperature was at the time so you can see how it impacted your HVAC system. Other common features to look for include reminders for maintenance and air filter replacements, vacation scheduling capabilities, and power cycle alerts that let you know if your system is acting erratically.What Else Do Smart Thermostats Work With?If you have other smart devices in your home, look for a thermostat that works with as many of them as possible. The Nest Learning Thermostat works with other Nest devices, as well as numerous third-party devices including smart switches, fans, and lighting systems. IFTTT support is a popular feature that allows you to configure the thermostat to trigger other compatible devices and services (or vice versa). For example, you can create an applet that turns on a smart air conditioner when your thermostat reaches a certain temperature. Matter is another emerging standard to look out for, as it promises to unite the IoT ecosystem across brands and standards.Many of the latest smart thermostats support Amazon Alexa, Apple Siri, and Google Assistant voice commands. That means you can change temperature settings and find out the current temperature simply by speaking. Some of the most feature-rich smart thermostats have built-in Alexa voice control and can do just about everything that a smart speaker does; you can ask them to play music, get the latest news and sports scores, find out the weather forecast, change temperature settings, and much more.
Amazon Smart Thermostat (Credit: Alexa app)
Can You Install a Smart Thermostat Yourself?Smart thermostats are usually easy to install, but it’s important to know how your system is wired before you begin. Always make note of your wiring before you remove your old thermostat, and if possible, take a picture. Most of the latest devices come with pre-printed labels that you can attach to the wires to help identify them during the installation. You should also know what type of system you have as that often comes up during setup. Common HVAC system types include gas, oil, electric, propane, forced air, and radiant.
Recommended by Our Editors
Most smart thermostats work with multi-stage heating and cooling systems, but if you plan to control other components such as whole-house dehumidifiers, heat pumps, and ventilation systems, make sure you select a model that supports those devices. In fact, if you have a complex multi-component HVAC system, it’s a good idea to have a professional HVAC technician install the thermostat for you to avoid damage to your system.
Wiring instructions for the Nest Thermostat (Credit: Nest)
Another factor to consider is whether your system contains a C (common) wire, which supplies constant power to the thermostat. Almost all smart thermostats require a C wire to work, but older houses with older heating systems usually don’t have a C wire because older thermostats do not require one. Some smart thermostats come with a power extender kit that you can install yourself to supply power to the device. Other devices, including Nest thermostats, can be installed without a C wire, but steal power from the furnace control circuits to provide enough power to keep the internal battery charged. Although this method usually works without issue, it still might cause problems with certain HVAC systems and might actually cycle on the system to steal power. If you prefer not to take a chance on frying your furnace’s circuit boards, hire a professional technician to run a C wire for around $150 or so.Between installation and the device itself, the cost of a smart thermostat can carry a significant premium over a traditional model. But keep in mind that it can save you money on heating and cooling costs over time, not to mention the flexibility it provides when you’re both in and out of the house.
