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10 Best Thermostats 2025 in the United States
#1
Winner
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 smart thermostat designed to help you save energy and keep your home comfortable with minimal effort. It works with most 24V heating and cooling systems, including gas, electric, and heat pumps, often without needing a C wire, which makes installation easier for many homes. You can control it easily from your phone using the Google Home app, or by voice commands through Alexa, Siri, or Google Assistant, making it convenient to adjust the temperature even when you’re away.
Rating
10.0
Chosen by1,157
Installation
Compatibility
Smart Features
Most important from
1573 reviews
#2
Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian
The Google Nest Learning Thermostat (4th Gen, 2024) is a smart, energy-saving device that can bring both convenience and efficiency to your home. One of its top strengths is compatibility; it works with most 24V systems common in households, including gas, electric, and heat pump systems, and generally doesn't require complex wiring. This makes it accessible for many users. Installation is relatively straightforward, typically taking around 40 minutes, which is a plus for those who prefer DIY projects. The included Nest Temperature Sensor helps manage hot and cold spots, ensuring that every room can be comfortable, and it integrates well with the Google Home app for easy control and monitoring.
Rating
9.7
Compatibility
Programmability
Smart Features
Most important from
1573 reviews
#3
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Fog
The Google Nest Thermostat is a popular smart thermostat designed for most homes, working with about 85% of heating and cooling systems. It’s ENERGY STAR certified, helping you save energy by automatically adjusting the temperature when you leave your house and allowing you to create custom schedules through the Google Home app. You can control it remotely from your phone or tablet, and it works with voice assistants like Google Assistant and Alexa, making it convenient to adjust the temperature hands-free. One helpful feature is HVAC monitoring, which alerts you if your heating or cooling system needs maintenance.
Rating
9.7
Installation
Ease of Use
Smart Features
Most important from
27835 reviews
Top 10 Best Thermostats 2025 in the United States
#1
Winner
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: Most 24V heating, cooling, gas, electric
Programmability: Learning algorithm adapts to schedule
Smart Features: Learning, Nest Sensor, Eco mode, voice
Ease of Use: Google Home app, voice, clear display
Energy Saving Functions: Eco mode, natural adjustments, saves bills
Installation: Simple DIY, no C wire often
Chosen by 1157 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: most 24V systems, gas, electric, heat pump
Programmability: learns preferred temperatures and schedules
Smart Features: works with Alexa, Google Home, energy-saving
User Interface: sleek, modern, polished obsidian finish, large display
Energy Savings: 12% on heating, 15% on cooling
Installation: straightforward, around 40 minutes
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Fog
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Fog
Compatibility: Works with ~85% heating/cooling systems
Programmability: Supports programmable schedules
Smart Features: Remote control, voice, HVAC monitoring
Ease of Use: Fairly easy install, some setup challenges
Energy Saving Functions: ENERGY STAR, auto adjust, Nest Renew
Installation: 30 mins, all parts, may need C wire
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: most furnaces
Programmability: highly programmable
Smart Features: voice control, smartphone, air quality monitor
Ease of Use: built-in speaker, clear LCD display
Energy Saving Functions: ENERGY STAR, saves 26% heating/cooling
Installation: hardwired
Honeywell Home RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required
Honeywell Home RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required
Compatibility: Works with most forced air systems
Programmability: Flexible programming with smart features
Smart Features: Alexa, Google, Cortana, IFTTT, app control
User Interface: Customizable color touchscreen, LCD, touchpad
Energy Savings: ENERGY STAR, rebates, demand response
Installation: Needs C-wire or adapter, technical
Related Products
Up to 30% off
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: Works with most 24V HVAC systems
Programmability: Schedules up to seven daily time periods
Smart Features: Alexa control; Thermostat Hunches; Humidity sensing
User Interface: 3 touch buttons; Voice and app control
Energy Savings: ENERGY STAR; Saves about $50 yearly
Installation: Guided via Alexa app; drill may be needed
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
Programmability: Flexible scheduling options
Smart Features: Customizable touchscreen, Smart Response, Energy Star
User Interface: Customizable color touchscreen
Energy Savings: Notable energy savings
Installation: Straightforward, challenging for inexperienced users
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - White
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - White
Compatibility: 95% of heating and cooling systems
Programmability: learn your schedule and preferences
Smart Features: Home/Away Assist, Alexa, Google Assistant
User Interface: touch-sensitive control
Energy Savings: adjusting temperatures to save energy
Installation: generally straightforward
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: Various HVAC systems, Siri, Alexa, Google
Programmability: Yes
Smart Features: Temperature adjustments, preheating, humidity control
User Interface: LCD display, app control
Energy Savings: Up to 26% annually
Installation: Easy, 45 minutes, requires c-wire
#10
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, Apple HomeKit
Programmability: Programmable
Smart Features: Auto-Scheduling, Auto-Away Mode, Humidity Detection
User Interface: Color touchscreen, ecobee app, LCD display
Energy Savings: Up to 23% annually
Installation: Optional Power Extender Kit
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Buying Guide for the Best Thermostats
Choosing the right thermostat can make your home more comfortable and help you save energy. The best thermostat for you depends on your heating and cooling system, your daily routine, and how much control you want over your home's temperature. It's important to consider features that make life easier, like scheduling and remote access, as well as compatibility with your HVAC equipment. Thinking about how involved you want to be with programming or whether you prefer technology that 'learns' your habits can help you zero in on the right type.CompatibilityCompatibility refers to whether the thermostat will work with your specific heating and cooling system, such as gas, electric, heat pump, or multi-stage systems. This is crucial because not all thermostats support every type of system. You’ll typically find compatibility listed on the product or in the manual. If you’re unsure about your existing system, you may want to look for thermostats labeled as broadly compatible or consult with someone knowledgeable about your HVAC setup.
ProgrammabilityProgrammability determines whether you can set schedules for your heating and cooling preferences. Non-programmable thermostats are simple and keep temperatures steady until you change them. Programmable models can adjust the temperature at different times of the day and days of the week, reducing waste and saving energy. If you have a regular schedule, a basic programmable unit may be enough; if your routine varies, look for thermostats with more flexible scheduling options.
Smart FeaturesSmart features include Wi-Fi connectivity and integration with apps or voice assistants, allowing you to control your thermostat remotely and take advantage of automated energy-saving features. Some smart thermostats even learn your routine and adjust automatically. If you travel often, want to control your home while away, or enjoy using your phone or voice to manage devices, these features can be a big plus. If you prefer simplicity and don't want more gadgets, a non-smart thermostat works well.
Ease of UseEase of use covers how simple it is to operate the thermostat, including the layout of controls, display clarity, and how straightforward it is to set schedules or change settings. Some models have touchscreens, large numbers, or intuitive menus, while others rely on buttons and simpler displays. Think about whether everyone in the household will be comfortable using the device, and consider choosing a model that matches your comfort with tech and your vision needs.
Energy Saving FunctionsEnergy saving functions are special features that help you use less energy, like adaptive recovery (which learns how long it takes to reach a target temperature), eco-modes, or energy reports. These can be important if you want to keep your utility bills low while maintaining comfort. If maximizing efficiency is important to you, look for models that offer these features and that have a good reputation for helping users save energy.
InstallationInstallation covers how easy it is to set up the thermostat—some plug into existing wiring quickly while others may need additional wiring or a professional. If you’re comfortable with a screwdriver and working with electrical components, many modern thermostats are designed for easy DIY installation. However, systems that lack a common wire (C-wire) or have complex setups might need an expert. Match your comfort and skills with the installation demands of the model you choose.