Do Smart Thermostats Learn Your Preferences?

19 minutes read

Yes, smart thermostats are designed to learn your preferences over time. These devices use sensors, algorithms, and sometimes artificial intelligence to monitor your habits, such as when you adjust the temperature and your daily schedule. By analyzing this data, they create a personalized heating and cooling schedule that enhances comfort and efficiency, ultimately optimizing energy usage. Smart thermostats can also adapt to changes in your routine and incorporate real-time data, such as weather forecasts, to make further adjustments. Additionally, many smart thermostats can be controlled remotely through smartphone apps, allowing you to manually set preferences that the device will learn from to improve its automated scheduling.

Best Smart Thermostats of February 2025

1
ecobee New Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant

Rating is 5 out of 5

ecobee New Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant

  • 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.
  • Compatible with most 24VAC HVAC systems: furnaces, ACs (2H/2C), heat pumps (2H/2C + 2 stage AUX), boilers, PTACs, and fan coil units (3 fan speeds). Includes Power Extender Kit for C-Wire-less homes, ensuring easy installation.
2
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow

Rating is 4.9 out of 5

Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow

  • 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
  • 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
  • Control Nest Thermostat with Google Home and other smart home platforms. Compatible with Google Assistant and all Matter-certified voice assistants. Voice control requires a compatible smart device.
3
ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - DIY Install, Black

Rating is 4.8 out of 5

ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - DIY Install, Black

  • 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
  • ecobee was named an ENERGY STAR Partner of the Year award winner
  • Integrates seamlessly with your preferred smart home system. Connectivity - Wi-Fi, 802.11 b/g/n @ 2.4 GHz
4
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required

Rating is 4.7 out of 5

Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required

  • 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 Control - Alexa can automatically switch between your preferred home, away, and sleep temperatures.
  • On-the-go control - Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.
5
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray

Rating is 4.6 out of 5

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray

  • COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.
  • 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.
  • COMPATIBLE 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.
  • Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.
  • Fan Control Options include On: Fan is always on; Automatic: Fan runs only when the heating or cooling system is on; and Circulate: Fan runs randomly about 35% of the time.
6
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel

Rating is 4.5 out of 5

Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel

  • 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.
7
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"

Rating is 4.4 out of 5

Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"

  • 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
  • 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
8
ecobee New Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home

Rating is 4.3 out of 5

ecobee New Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home

  • 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.
  • 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.
  • 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.
  • Add in a SmartSensor which allows you to measure the temperature in rooms that matter most, like the nursery or bedroom. It reads temperature and movement in whatever room it is placed in for complete home monitoring and energy savings (SmartSensor sold separately).
9
Google Nest Thermostat E - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa,White

Rating is 4.2 out of 5

Google Nest Thermostat E - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa,White

  • Remote control lets family members change the temperature on this smart thermostat from anywhere using a phone, laptop, or tablet[1]
  • The Nest Leaf appears when you choose a temperature that saves energy; with Energy History, just check your phone to see how much energy you used and find out how to save mo
  • Works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
  • Works with Alexa, Google Assistant, and other smart speakers so you can adjust the temperature with your voice
  • Designed to fit any home, with a frosted display that blends into the background
  • Easy installation, typically in 60 minutes or less, with everything you need included in the box; compatible with 95% of heating and cooling systems


What is the role of sensors in smart thermostats?

Sensors play a crucial role in the functioning of smart thermostats, enhancing their efficiency, convenience, and energy-saving capabilities. Here are some key roles they play:

  1. Temperature Measurement: Sensors measure the ambient temperature in a room or area. This data helps the thermostat maintain the desired temperature by adjusting heating or cooling systems accordingly.
  2. Occupancy Detection: Many smart thermostats have motion or occupancy sensors to determine if someone is present in a room. This allows the system to adjust heating or cooling based on whether the space is occupied, helping to save energy by not conditioning unoccupied spaces.
  3. Humidity Monitoring: Humidity sensors can determine the level of humidity in the environment, allowing the thermostat to make more nuanced adjustments to maintain comfort. For instance, higher humidity can make a room feel warmer, so the thermostat may adjust its settings accordingly.
  4. Learning User Behavior: Some smart thermostats use sensors to learn about user habits and preferences by monitoring patterns over time. This enables them to automatically adjust settings to maximize comfort and efficiency, often without manual input.
  5. Outdoor Temperature and Weather Integration: Some systems integrate with external sensors or weather data to account for outside temperature variations, predicting their impact on indoor climate and adjusting settings proactively.
  6. Remote Sensors: In larger homes, remote sensors can be placed in different rooms to provide a more comprehensive temperature assessment. This ensures even heating or cooling throughout the home, addressing issues of hot or cold spots.
  7. Air Quality Monitoring: Some advanced smart thermostats include sensors for monitoring air quality. This information can be used to trigger ventilation systems to improve indoor air quality.


Overall, sensors are integral to the intelligence of smart thermostats, allowing these devices to perform precise, automated, and energy-efficient climate control tailored to specific environments and user needs.


How do smart thermostats improve energy efficiency?

Smart thermostats improve energy efficiency in several ways:

  1. Learning Behavior: Many smart thermostats learn your schedule and preferences over time. By understanding when you're typically home or away, they can adjust the temperature automatically to save energy when you're not around or preparing the home to be comfortable when you return.
  2. Remote Access: These thermostats can be controlled remotely via a smartphone app, allowing users to adjust the temperature from anywhere. This feature is particularly useful if you forget to change settings before leaving the house or wish to warm or cool your home before you arrive.
  3. Adaptive Algorithms: Smart thermostats often use adaptive algorithms that allow them to adjust to real-time conditions, such as fluctuating outdoor temperatures or unexpected occupancy patterns, ensuring that energy is used more efficiently.
  4. Energy Usage Reports: They provide detailed reports on energy consumption, helping homeowners track and understand their usage patterns. By identifying trends or irregularities, users can make more informed decisions to reduce wastage.
  5. Integration with Other Smart Devices: Some smart thermostats can integrate with other smart home devices, such as sensors or home automation systems, to optimize energy use across the entire home based on occupancy or other data points.
  6. Weather Responsive Adjustments: They adjust indoor temperatures based on local weather forecasts, making pre-emptive changes to mitigate unnecessary heating or cooling when outdoor conditions change.
  7. Zonal Heating and Cooling: Advanced systems can control different zones in a home, allowing for specific temperature settings in different areas. This ensures that only occupied areas are heated or cooled, reducing overall energy use.
  8. Occupancy Detection: Some models use motion sensors or geofencing technology to detect when residents are home or away, adjusting settings accordingly to save energy without sacrificing comfort.


By leveraging these features, smart thermostats help reduce unnecessary energy consumption, leading to lower utility bills and a smaller environmental footprint.


What is geofencing in smart thermostats?

Geofencing in smart thermostats is a technology that uses the GPS or location services of a smartphone to create a virtual boundary around a geographic area, such as your home. When your smartphone crosses this boundary, the smart thermostat can automatically adjust the temperature settings within your home based on whether you're arriving or leaving.


Here's how it typically works:

  1. Setup: You define a geographic area, or "fence," around your home within the smart thermostat's app. This is usually a circular area that can be adjusted in size depending on your preferences.
  2. Location Tracking: The app on your smartphone detects your location in real-time using GPS or other location services.
  3. Triggering Actions: Leaving Home: When you leave the geofenced area, the thermostat can automatically set the home to an energy-saving mode, such as lowering or raising the temperature depending on the season. Returning Home: As you re-enter the geofenced area, the thermostat can adjust the temperature to your preferred comfort settings, ensuring a comfortable environment upon your arrival.


The primary benefits of geofencing in smart thermostats include increased convenience and energy efficiency. It takes the decision-making out of your hands by automating changes based on your location, potentially leading to lower energy bills and a more comfortable living space tailored to your routine.


How do smart thermostats handle different heating zones?

Smart thermostats handle different heating zones by integrating with zoned HVAC systems to provide precise and independent temperature control for each area or zone of a building. Here's how they typically manage it:

  1. Multiple Thermostats: Each zone has its own smart thermostat, allowing for independent control. These thermostats communicate with each other and the central HVAC system to optimize heating and cooling based on individual zone needs.
  2. Zoned HVAC Systems: The smart thermostats work with HVAC systems that have been designed or upgraded for zoning. These systems use dampers in the ductwork to control airflow to different areas.
  3. Central Control: Some smart thermostats offer a central control system, where one main thermostat is used to manage all the zones. Users can set individual preferences for each zone from this central hub, which could be a mobile app or a web interface.
  4. Sensors and Learning: Smart thermostats often use wireless sensors placed in different rooms to detect temperature, humidity, and occupancy. This information helps the system learn and automatically adjust settings for comfort and energy efficiency.
  5. Scheduling and Remote Access: Users can set schedules for each zone based on their routines. Remote access via smartphone apps allows users to adjust settings on-the-go, catering to unexpected changes in normal routines.
  6. Integration with Smart Home Systems: They can integrate with other smart home devices and systems, such as voice assistants or home automation systems, giving users more ways to control and automate heating and cooling.


By leveraging these features, smart thermostats enhance comfort and energy efficiency across different zones in a building.

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