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10 Best Smart Thermostats 2025 in the United States
#1
Winner
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
9.8
Chosen by1,316
Energy Reports
Integration with Smart Home Systems
Ease of Installation
Most important from
25958 reviews
#2
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
The Google Nest Thermostat is a user-friendly smart thermostat designed to help save energy while keeping your home comfortable. It supports a wide range of heating and cooling systems but may require a C wire or power accessory for some setups, which could complicate installation for beginners. It connects easily through dual-band Wi-Fi and Bluetooth, allowing you to control it remotely via your phone, tablet, or laptop. The thermostat doesn’t have advanced learning capabilities like some other Nest models but lets you create an energy-efficient schedule in the Google Home app. It can automatically lower the temperature when you leave home, helping reduce wasted energy without needing manual adjustments.
Rating
9.6
Compatibility
Remote Access
Energy Reports
Most important from
8583 reviews
#3
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant
The ecobee New Smart Thermostat Premium is a versatile option for anyone looking to upgrade their home climate control system. Its standout feature is the SmartSensor, which optimizes the temperature in key rooms and helps eliminate hot or cold spots. Additionally, the built-in air quality monitor is a nice touch, providing alerts and tips to maintain a healthy living environment. Compatibility is broad, supporting most 24VAC HVAC systems, and the included Power Extender Kit makes it easier to install in homes without a C-wire.
Rating
9.5
Learning Capabilities
Remote Access
Integration with Smart Home Systems
Most important from
3567 reviews
Top 10 Best Smart Thermostats 2025 in the United States
#1
Winner
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.
Chosen by 1316 this week
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
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant
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
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 Obsidian
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 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
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready
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
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Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel
Compatibility: Google Assistant, Amazon Alexa, nest
Learning Capabilities: Auto-Schedule feature
Remote Access: Nest app
Energy Reports: Yes
Integration with Smart Home Systems: Google Assistant, Amazon Alexa
Geofencing: Home/Away Assist
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
Honeywell Home Smart Color Wi-Fi Programmable Touch Screen Thermostat, Energy Star, Alexa Ready, White - C-Wire Required, Not Compatible with Line Volt Heating, RTH9600WF
Honeywell Home Smart Color Wi-Fi Programmable Touch Screen Thermostat, Energy Star, Alexa Ready, White - C-Wire Required, Not Compatible with Line Volt Heating, RTH9600WF
Compatibility: variety of heating and cooling systems
Learning Capabilities: lacks advanced learning capabilities
Remote Access: control via mobile apps, Alexa, Google
Energy Reports: track usage, receive personalized tips
Integration with Smart Home Systems: Amazon Alexa, Google Assistant, Cortana
Ease of Installation: moderate, C-wire may need professional installation
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
#10
Honeywell Home T9 WiFi Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display
Honeywell Home T9 WiFi Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display
Compatibility: Forced air, hot water, steam, heat pumps
Learning Capabilities: Yes
Remote Access: Yes, via Resideo app
Energy Reports: Yes
Integration with Smart Home Systems: Amazon Alexa, Apple HomeKit, Google Assistant
Geofencing: Yes
Ease of Installation: User-friendly with instructions and adapter
Recommended lists
Top rated
Apple Smart Thermostats
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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.