The cost of a smart thermostat can vary based on the brand, features, and capabilities. Generally, prices range from around $100 to $300. Basic models with essential features like programmable settings and remote control via smartphone apps tend to be on the lower end of the price spectrum. More advanced models offering additional functionalities such as learning abilities, integration with other smart home devices, and enhanced energy-saving features are typically priced higher. Installation costs should also be considered, as professional installation might be necessary for some models, which can add to the overall expense.
Best Smart Thermostats for Houses of May 2025
1
Rating is 5 out of 5
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
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Save up to 26% per year on heating and cooling costs. ENERGY STAR certified. Automatically adjusts the temperature when you’re away to never heat or cool an empty home. Compared to a hold of 72°F.
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Enjoy comfort without compromise. Smart Thermostat Enhanced preheats or precools your home before you arrive, so it’s the perfect temperature the moment you walk in. Automatically adjusts to your desired temperature when you’re home or sleeping to keep you comfortable day and night. Adjusts the temperature to account for humidity so your home always feels like the temperature you’ve set.
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Easy to install and use every day, ecobee Smart Thermostat Enhanced comes with everything you need for installation. Most people install it themselves in about 45 minutes or less. Use your smart home platform and the ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch.
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ecobee Smart Thermostat Enhanced is made with quality materials and designed to last on your wall for over a decade. It’s hardwired so you never have to worry about losing control or replacing batteries. If you run into problems, our dedicated support team is available 7 days a week.
2
Rating is 4.9 out of 5
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant
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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.
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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.
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Premium materials and advanced engineering mean a large, vibrant display with a cinematic interface, a timeless design, and next level occupancy sensing.
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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
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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
3
Rating is 4.8 out of 5
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
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ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page.Connectivity Protocol : Wi-Fi.Connectivity Protocol : Wi-Fi
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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. Lock feature: No
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Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home; easily program an energy efficient schedule in the Google home app on your Android or iPhone
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Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1]
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Rating is 4.7 out of 5
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
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Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
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Supports temperature sensors - use compatible Echo devices (Echo Dot (4th and 5th gen), Echo Dot with clock (5th gen)), and the Amazon Smart Air Quality Monitor as temperature sensors to address hot or cold spots in your home.
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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.
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Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.
5
Rating is 4.6 out of 5
Google Nest Thermostat E - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa,White
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Programmable smart thermostat that learns the temperatures you like and programs itself to help you save energy and stay comfortable; start with a simple schedule and easily adjust it whenever you like in the Nest app
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Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home. Connectivity requirements-Wi-Fi internet connection, Phone or tablet running iOS or Android, Nest app
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Remote control lets family members change the temperature on this smart thermostat from anywhere using a phone, laptop, or tablet[1]
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The Nest Thermostat E has 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]
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Works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
6
Rating is 4.5 out of 5
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - White
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Programmable smart thermostat that learns your schedule and the temperatures you like and programs itself to help you save energy and stay comfortable
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Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home; remote control lets you change the temperature from anywhere on your phone, laptop, or tablet[1]
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With Energy History, just check your phone to see how much energy you used and why, or use Quick View on the display to reach Energy History, settings, or your schedule; the Nest Leaf appears when you choose a temperature that saves energy
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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]
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The Nest Learning Thermostat works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
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Beautifully designed, with polished metal finishes and bright, high resolution display; Farsight shows you the temperature, weather, or time on your thermostat when you walk in the room
7
Rating is 4.4 out of 5
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
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Compatible with: Alexa, SmartThings, Google Home, IFTTT.Central Air Conditioning : Yes. Heat Pump with Auxiliary heat. Yes..WiFi Specifications : 802.11b, 802.11g, 802.11n, 2.4GHz range.
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Check to see If your new thermostat qualifies for a utility rebate; Auto-updates for daylight savings; adjusts for 12/24-hour and multi-language needs
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Customizable touchscreen in full Color with easy to read numbers and text, view your local weather including indoor and outdoor relative humidity levels
8
Rating is 4.3 out of 5
Honeywell Home RTH8800WF2022, T5 WiFi Smart Thermostat, 7 Day-Programmable Touchscreen, Alexa Ready, Geofencing Technology, Energy Star, C-Wire Required
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High use of the scheduling feature of the T5 thermostat saved customers between 8 and 16% on heating and cooling bills. Dollar savings range based on nationwide average annual single-family detached home's heat and cooling bills; actual savings varies based on consumption.
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Save Energy and Get Rewarded. Check with your energy provider about available energy savings rebates to save on your purchase. Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
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7-Day Flexible Scheduling or Location Based Temperature Control. It’s your choice. 7-day scheduling programs your thermostat. Geofence technology helps make you comfortable by using your smartphone’s location to know when you’re away and when you return.
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Auto Home and Away Mode. Enjoy ideal temperatures at home, then save when away.
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ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
How to lock a smart thermostat?
Locking a smart thermostat can vary depending on the brand and model of the thermostat you have. However, most smart thermostats come with an option to lock or restrict access through their settings. Here are some general steps you can follow for popular brands:
Nest Thermostat
- Open the Nest App: Access your Nest thermostat through the app.
- Select the Thermostat: Tap on the thermostat you want to lock.
- Go to Settings: Tap on the settings icon (usually a gear or three dots).
- Select "Lock": Choose the option to lock the device.
- Set a PIN Code: Enter a 4-digit PIN code that will be required to change settings physically on the thermostat.
- Confirm: Save your changes.
ecobee Thermostat
- Open the ecobee App: Access your ecobee thermostat through the app.
- Go to "Settings": Navigate to the settings menu.
- Select "Access Control": Look for a menu related to access control.
- Enable Lock: Turn on the lock function.
- Set a PIN Code: Enter and confirm a PIN code to lock the thermostat.
- Save Settings: Apply your changes.
Honeywell Thermostat
- Access the Thermostat Interface: Directly on the thermostat screen or through the Honeywell Home app.
- Navigate to "Settings": Find the settings option.
- Find the "Security" or "Lock" Option: Look for options related to locking or security.
- Enable Locking: Turn on the locking function.
- Set a PIN Code: Enter a PIN to lock the thermostat.
- Confirm: Save your settings.
General Tips
- Manual Availability: Check the user manual or product guide specific to your thermostat model for detailed instructions.
- Help & Support: Visit the manufacturer's website or contact support for further assistance.
- Firmware Updates: Ensure your thermostat and app are updated to the latest version for the best functionality.
Locking your thermostat is a good way to prevent unauthorized access and ensure your settings remain intact. Always choose a secure, memorable PIN code and keep it safe.
What is a learning thermostat?
A learning thermostat is a type of smart thermostat that not only allows you to control the temperature of your home remotely but also learns from your behavior and preferences over time to create an efficient heating and cooling schedule. These devices use sensors, algorithms, and connectivity to adjust settings automatically, optimize energy usage, and ultimately save on energy costs.
Key features of learning thermostats include:
- Self-Programming: They automatically create a schedule based on your lifestyle, preferences, and usage patterns.
- Remote Access: You can control them via a smartphone app, so you can adjust your home's temperature from anywhere.
- Energy Reports: Many provide insights into your energy usage, helping you understand and reduce consumption.
- Integration with Smart Home Systems: They often integrate with other smart home devices, offering additional convenience and automation.
- Occupancy Detection: Some models can detect if someone is home or not and adjust the temperature accordingly.
Overall, learning thermostats aim to enhance comfort, increase efficiency, and reduce energy costs by using intelligent automation and user-friendly features.
What is the best smart thermostat for energy savings?
As of the latest information available, several smart thermostats are widely regarded for their energy-saving capabilities. Here are a few top contenders:
- Google Nest Learning Thermostat: Known for its learning capabilities, the Nest Learning Thermostat adapts to your schedule and preferences, optimizing heating and cooling efficiently. It can also provide reports on energy usage to help you make informed decisions.
- Ecobee SmartThermostat with Voice Control: The Ecobee SmartThermostat offers room sensors that help balance temperatures throughout your home, leading to improved energy savings. Its occupancy detection and remote sensor features ensure it only heats or cools occupied rooms.
- Honeywell Home T9 Smart Thermostat: This thermostat also uses room sensors and adjusts temperatures based on occupancy and temperature patterns. It integrates well with smart home ecosystems, offering versatile control options.
- Emerson Sensi Touch Smart Thermostat: Certified by Energy Star, this thermostat provides energy-saving features like geofencing, scheduling, and remote access, making it easy to maximize efficiency and comfort.
When selecting a smart thermostat for energy savings, consider compatibility with your HVAC system, integration with existing smart home devices, and the specific energy-saving features that suit your lifestyle. Additionally, ensure that you utilize any available rebates or incentives for installing energy-efficient devices.
What is the average cost of installing a smart thermostat?
The cost of installing a smart thermostat can vary based on several factors, including the brand and model of the thermostat, the complexity of the installation, and your geographical location. On average, you can expect to pay between $200 and $500 for the device and professional installation. Here's a rough breakdown:
- Thermostat Cost: Most smart thermostats range from $100 to $250. Premium models with advanced features can be more expensive.
- Installation Cost: Professional installation might cost between $100 and $250, depending on the complexity of the task, such as whether it requires additional wiring or compatibility adjustments with your existing HVAC system.
It's always a good idea to get multiple quotes from local HVAC professionals to ensure you're getting a fair price. Additionally, some utility companies offer rebates or incentives for installing energy-efficient devices like smart thermostats, which can help offset the cost.
