The 10 Best Affordable Smart Thermostat in 2024 - Reviewed by Appliances Radar

Save up to 23% annually on heating and cooling costs (compared to a hold of 72°F)

Control from anywhere using your Android or iOS device

Add SmartSensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most

Automatically pauses your heating or cooling when a door or window is left open (requires ecobee SmartSensor for doors and windows and a Smart Security subscription)

Integrates seamlessly with your preferred smart home system

Save up to 26%* per year on heating and cooling costs. ENERGY STAR certified. Included SmartSensor (50 dollar value) adjusts the temperature in the rooms that matter most to reduce hot or cold spots to keep you comfortable. *Compared to a hold of 72°F.

Built-in air quality monitor alerts you to poor air quality, provides tips on how to improve it, and reminds you when it’s time to change your furnace’s air filter.

Premium materials and advanced engineering mean a large, vibrant display with a cinematic interface, a timeless design, and next level occupancy sensing.

ecobee Smart Thermostat Premium is a complete home monitoring hub that includes built-in smoke alarm detection and alerts to possible break-ins when your system is armed.* Get notifications during sudden temperature drops that could cause damage. *ecobee Smart Security plan required

Comes with a smart speaker and your choice of Siri* or Alexa Built-in. Control your home using the power of your voice and listen to your favorite Spotify playlists and podcast through your thermostat’s speaker. *Apple home hub required to enable Siri on Smart Thermostat Premium

PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties

EASY DIY INSTALLATION: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation. Works with the HVAC equipment found in most homes. Common wire (c-wire) is required

SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports

SLEEK, MODERN DESIGN: The large color display features easy-to-read temperatures and intuitive menus. Available in black, white and silver to complement your home décor

CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices

SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering important usage notifications, alerts about your equipment, and maintenance reminders like filter replacement

BACKED BY HVAC EXPERTISE: More than 100 years of experience with HVAC systems went into the development of Sensi

PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties

SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports

EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications

SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement

SIMPLE CONFIGURATION: Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you don’t have to patch and paint your walls

No more programming: With Auto-Schedule, the Google Nest Learning Thermostat learns from you and programs itself.

Home/Away Assist: don't heat or cool an empty home. Home/Away Assist adjusts the temperature after you leave.

Remote control: Control your thermostat from anywhere using the Nest app.

Know more, save more Check your Energy History to see how much energy you use and why.

Look for the Leaf: The Nest Leaf appears when you choose a temperature that saves energy.

PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties

EASY DIY INSTALLATION: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation; Works with the HVAC equipment found in most homes. Common wire (c-wire) is required

SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports

SLEEK, MODERN DESIGN: The large color display features easy-to-read temperatures and intuitive menus. Available in black, white and silver to complement your home décor

CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices

SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement

COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.

SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase (use rebate finder link above). Plus, eligible customers can enroll in ongoing energy savings incentives with their energy provider to keep saving all year long.

YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility company’s peak rate pricing.

EASY OPERATION AND INTUITIVE. Bright, easy-to-read touchscreen makes for simple operation.

ECOMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.

ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.

Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.

ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable

The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory

Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home

Programmable thermostat that lets you create an energy efficient schedule in the Google Home app on your Android or iPhone

Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1]

Savings Finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app; check with your energy provider to learn more about rebates and more ways to save on a Nest thermostat

Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]

It’s easy to install your thermostat, typically in 30 minutes or less, with everything you need included in the box; it’s compatible with 85% of heating and cooling systems

Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)

The limited warranty for this product applies only if purchased from Amazon.com OR if the product is packaged with a Google Seal for Online Marketplace.

Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.

Save money - After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above.

Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.

Automatic comfort - Alexa can do the programming for you, updating the temperature to keep you comfortable.

On-the-go control - Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.

You can do it - The Alexa app will guide you through the installation process, but customer service is always available.

Reliable - Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.

Easy DIY installation: Step-by-step guided installation in the Wyze app (less than 30 min). Work with 90% home systems, C-wire adapter included for home without C-wire; Check your heating & cooling system compatibility on the Wyze website with the Wyze Thermostat Compatibility Checker.

Control from the app: You can control the temperature from your phone no matter where you are, or turn it off when you are away; Keep pets comfortable and prevent frozen plumbing; Share the control with guests and family through the Wyze app.

Works with voice assistants: Adjust the thermostat with your voice by asking Alexa or Google assistant.

7-Day scheduling: Create schedules for Home, Sleep, and Away for every day so you don’t have to keep going back and forth to your thermostat.

Usage tracking with insights: Like an energy-saving gnome inside your phone, the Wyze app will recommend actionable insights based on your usage to help reduce wasted energy.

Automatically turns on and off based on the built-in motion sensor and phone location to save energy.