10 Best Smart Thermostats 2026 in the United States
#1
Winner
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required (Pack of 2)
The Amazon Smart Thermostat is a solid choice for anyone looking to upgrade from a traditional thermostat to a smart one, especially if you already use Alexa or Ring devices. It offers easy integration with Alexa, allowing you to create comfort zones and automate temperature adjustments based on presence or temperature readings, which helps save energy. The ability to set your own schedules or let Alexa manage them automatically adds flexibility without needing much technical know-how. Installation is designed to be straightforward, guided by the Alexa app, though it does require a C-wire, which might mean extra work or parts if your current setup doesn't have one.
Rating
10.0
Chosen by1,143
Ease of Installation and Use
Wi-Fi and Smart Home Integration
Learning and Scheduling Abilities
Most important from
25203 reviews
#2
Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian
The Google Nest Learning Thermostat (4th Gen, 2024) stands out with its enhanced learning capabilities and broad compatibility. It supports a wide range of heating and cooling systems without needing a C wire for most installations, which simplifies the setup process for many users.
Rating
9.1
Compatibility
Remote Access
Integration with Smart Home Systems
Most important from
2436 reviews
#3
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible with Alexa, Apple HomeKit and Google Home App - Polished Gold
The Google Nest Learning Thermostat (4th Gen) is a polished and smart device designed to make managing your home’s heating and cooling easier while helping to save energy. It’s compatible with most common heating and cooling systems, including gas, electric, and heat pumps, and usually doesn’t require a C wire, simplifying installation for many homes. It works seamlessly with popular smart home platforms like Alexa, Apple HomeKit, and Google Assistant, and its Matter compatibility means it can fit well into a wide range of smart home setups.
Rating
9.1
Compatibility
Wi-Fi and Smart Home Integration
Learning and Scheduling Abilities
Most important from
2436 reviews
Top 10 Best Smart Thermostats 2026 in the United States
#1
Winner
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required (Pack of 2)
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required (Pack of 2)
Compatibility: Works with Alexa, Ring devices
Wi-Fi and Smart Home Integration: Easy Alexa integration, remote control
Learning and Scheduling Abilities: Set schedules or Alexa manages
Ease of Installation and Use: Easy install via Alexa app, needs C-wire
Energy Reports and Usage Tracking: ENERGY STAR certified, rebate info
Chosen by 1143 this week
Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian
Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian
Compatibility: Wide range of systems
Learning Capabilities: Adapts to schedule and preferences
Remote Access: Google Home app, voice commands
Integration with Smart Home Systems: Alexa, Google Home
Ease of Installation: No C wire needed
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible with Alexa, Apple HomeKit and Google Home App - Polished Gold
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible with Alexa, Apple HomeKit and Google Home App - Polished Gold
Compatibility: Common heating and cooling systems
Wi-Fi and Smart Home Integration: Alexa, HomeKit, Google, Matter
Learning and Scheduling Abilities: Learns, schedules, adjusts by outdoor temp
Sensor Support: Includes Nest Temperature Sensor 2nd gen
Ease of Installation and Use: No C wire needed, app control
Energy Reports and Usage Tracking: Energy reports, 12% heating, 15% cooling savings
ecobee Comfort and Security Bundle, Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack
ecobee Comfort and Security Bundle, Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack
Compatibility: Amazon Alexa, Siri
Wi-Fi and Smart Home Integration: Wi-Fi, Amazon Alexa, Siri
Learning and Scheduling Abilities: Smart scheduling features
Sensor Support: SmartSensor for doors, windows
Ease of Installation and Use: Hardwired, needs basic or pro help
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Fog
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Fog
Compatibility: 85% compatible with most HVAC systems
Wi-Fi and Smart Home Integration: Wi-Fi; Google Assistant, Alexa
Learning and Scheduling Abilities: basic scheduling; no advanced learning
Ease of Installation and Use: easy install; about 30 minutes
Energy Reports and Usage Tracking: energy-efficient schedules; Savings Finder tool
Related Products
ecobee Smart Thermostat Premium - WiFi, Siri & Alexa Built-In, Smart Sensor
ecobee Smart Thermostat Premium - WiFi, Siri & Alexa Built-In, Smart Sensor
Compatibility: most 24VAC HVAC systems
Integration with Smart Home Systems: Siri, Alexa, Google Assistant
Geofencing: requires subscription to Smart Security plan
Ease of Installation: Power Extender Kit included
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Compatibility: Compatible with most 24V HVAC systems.
Learning Capabilities: Adapts to your schedule and preferences.
Remote Access: Alexa app, voice control, Echo device.
Energy Reports: Energy dashboard monitoring.
Integration with Smart Home Systems: Compatible with Alexa and Ring.
Geofencing: Alexa detects when nobody’s home.
Ease of Installation: Guided installation in Alexa app.
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Compatibility: supports many heating and cooling systems
Learning Capabilities: no advanced learning features
Remote Access: remote control via phone or tablet
Energy Reports: app provides energy reports and tips
Integration with Smart Home Systems: works with Google, Alexa, Matter devices
Geofencing: lowers temperature when leaving home
Ease of Installation: may need C wire; tricky for beginners
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow (Renewed)
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow (Renewed)
Compatibility: Most HVAC systems; may need C wire
Wi-Fi and Smart Home Integration: Wi-Fi; Google Assistant; Alexa
Learning and Scheduling Abilities: Learns schedule; custom via Google Home app
Sensor Support: Limited external sensor support
Ease of Installation and Use: Installation ~30 minutes; manageable for homeowners
Energy Reports and Usage Tracking: Energy-saving; usage tracking via app
#10
ecobee Smart Thermostat Essential - WiFi Thermostat, Energy Star Certified
ecobee Smart Thermostat Essential - WiFi Thermostat, Energy Star Certified
Compatibility: 85% of HVAC systems
Learning Capabilities: Auto-Scheduling, Auto-Away Mode
Remote Access: ecobee app
Energy Reports: Yes
Integration with Smart Home Systems: Apple HomeKit, Google Assistant, Alexa
Ease of Installation: Easy DIY setup, PEK required
Recommended lists
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Buying Guide for the Best Smart Thermostats
Choosing a smart thermostat can make your home more comfortable, save energy, and give you more control over your heating and cooling. The most important thing is to find one that fits your home's system and your lifestyle. It's helpful to understand your needs—for example, whether you want lots of automation, remote access, or simplicity. Think about how tech-savvy you are, how often you're home, and if your household routine is regular or changes often. Once you know your priorities, you can compare devices based on certain key features to find the best fit.CompatibilityCompatibility means whether the smart thermostat will work with your current heating and cooling system. Not all thermostats work with all systems; for example, some only work with low-voltage (24V) systems, while others are made for line voltage or may not support heat pumps or multi-stage heating and cooling. When checking compatibility, you'll usually find lists by HVAC type (like gas, oil, electric, forced air, radiant, etc.). For most people, starting by checking the type of system you have at home is important, and then making sure the thermostat supports it. If you’re not sure, there are usually guides or compatibility checkers online to help, or a professional can advise you.
Wi-Fi and Smart Home IntegrationThis refers to whether the thermostat can connect to your Wi-Fi and work with popular smart home assistants like Alexa, Google Assistant, or Apple HomeKit. Wi-Fi lets you control your thermostat remotely with a smartphone app, so you can change the temperature from anywhere. Integration with smart assistants lets you use voice commands and connect your thermostat to routines or automations. If you already have a smart home ecosystem, choose a thermostat that’s compatible with your devices. If you just want basic remote control, any with Wi-Fi will do.
Learning and Scheduling AbilitiesSmart thermostats offer different levels of automation. Some learn your habits automatically (learning thermostats), adjusting the temperature based on your routine. Others let you set schedules manually, where you decide when the temperature should go up or down. Learning thermostats are good for people with unpredictable schedules or who want a 'set it and forget it' style, while manual scheduling is best for people with regular routines. Think about your household’s pattern and choose the system that matches your lifestyle—one isn't better than the other; it’s about what works for you.
Sensor SupportSensor support means whether the thermostat can use extra room sensors to measure temperature in different parts of your home. This helps if some rooms are hotter or colder than others, letting the system balance heating or cooling more effectively. You can have the thermostat prioritize certain rooms at certain times. If your house has temperature differences between rooms or you want a more even comfort level, look for models that work with additional sensors. If your whole home is pretty consistent in temperature, this might not be necessary.
Ease of Installation and UseHow simple it is to set up and operate the thermostat matters, especially if you're planning to install it yourself or you prefer a user-friendly interface. Some thermostats provide great step-by-step guides and app-based instructions, while others might be a bit more technical or require professional help. Simple menus or touchscreens can also make daily adjustments easier. If you’re comfortable with DIY and technology, you can pick almost any option; otherwise, look for products advertised as easy to install and use.
Energy Reports and Usage TrackingSome smart thermostats can provide feedback on your energy usage, showing monthly reports or making suggestions for saving energy. This information can help you find ways to save on utility bills and be more environmentally friendly. The complexity of these reports ranges from basic usage graphs to detailed breakdowns and recommendations. If seeing and managing your energy consumption is important to you, look for a thermostat that offers in-depth reports. If you're not interested in tracking this, a basic model without this feature will work just fine.