We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Smart Thermostats 2025 in the United States
#1
Winner
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Works 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
10.0
Chosen by1,125
Compatibility
Wi-Fi and Smart Home Integration
Learning and Scheduling Abilities
Most important from
1490 reviews
#2
ecobee Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack, White
The ecobee Smart Thermostat Premium is a versatile and user-friendly option for smart control of home heating and cooling. It supports Wi-Fi connectivity and integrates well with popular voice assistants like Siri and Alexa, enabling easy voice commands and remote control via your smartphone. A key feature is the included SmartSensor for doors and windows, which monitors entry and motion while adjusting the temperature in key rooms to reduce uncomfortable hot or cold spots. This can improve comfort and potentially save energy, with ecobee claiming up to 26% annual savings on heating and cooling costs.
Rating
9.4
Compatibility
Wi-Fi and Smart Home Integration
Learning and Scheduling Abilities
Most important from
3634 reviews
#3
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
The Amazon Smart Thermostat is a solid choice for anyone looking to upgrade from a traditional thermostat to a smart option that helps save money and energy. One of its key strengths is its compatibility with Alexa and Ring, which allows for easy voice control and integration into your smart home ecosystem. The thermostat’s learning capabilities are impressive; it can adapt to your schedule and preferences over time, optimizing temperature settings automatically based on your presence at home. The energy-saving features, including potential rebates from energy providers, make it appealing for those looking to lower utility bills.
Rating
9.1
Energy Reports
Integration with Smart Home Systems
Ease of Installation
Most important from
26107 reviews
Top 10 Best Smart Thermostats 2025 in the United States
#1
Winner
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Works 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 - Works 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
Chosen by 1125 this week
ecobee Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack, White
ecobee Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack, White
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
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 - 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
Google Nest Learning Thermostat - 3rd Gen - Programmable Smart Thermostat for Home - Compatible with Alexa (White)
Google Nest Learning Thermostat - 3rd Gen - Programmable Smart Thermostat for Home - Compatible with Alexa (White)
Compatibility: Works with 95% heating/cooling systems
Learning Capabilities: Learns temperature and schedule, self-programs
Remote Access: Adjust settings via phone/tablet/computer
Energy Reports: Shows usage history and consumption
Integration with Smart Home Systems: Supports Alexa and Google Assistant
Geofencing: Uses phone location to auto-adjust
Ease of Installation: Takes about 30 minutes, tools included
Related Products
Up to 17% off
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
Compatibility: wide range of HVAC systems
Learning Capabilities: adjusts temperature based on occupancy
Remote Access: ecobee app on various devices
Integration with Smart Home Systems: Siri, Alexa, Google Assistant
Ease of Installation: user-friendly, around 45 minutes
Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required
Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required
Compatibility: Works with most 24V HVAC systems
Wi-Fi and Smart Home Integration: 2.4 GHz Wi-Fi; Alexa and Ring support
Learning and Scheduling Abilities: Alexa Hunches; 4 daily schedules
Sensor Support: Supports temp sensors and humidity reporting
Ease of Installation and Use: DIY setup; guided via Alexa app
Energy Reports and Usage Tracking: Energy reports in Alexa app
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
Compatibility: Alexa, Google Home, SmartThings
Learning Capabilities: Adapts to schedule, preferences
Energy Reports: Provides energy reports
Integration with Smart Home Systems: Alexa, Google Home, SmartThings
Geofencing: Adjusts temperature by location
Ease of Installation: Straightforward
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
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
#10
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55
Compatibility: various HVAC systems
Remote Access: via mobile app
Energy Reports: yes
Integration with Smart Home Systems: Alexa, Google Assistant, SmartThings
Ease of Installation: easy DIY installation
Recommended lists
Top rated
Apple Smart Thermostats
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
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.