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10 Best 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 offers a user-friendly upgrade from traditional thermostats, especially for those who want to manage their home's temperature with smart technology. It works well with most 24V HVAC systems but requires a C-wire or a separate power adapter, which is important to check before purchasing. Installation is guided through the Alexa app, making it accessible for DIY users, although some basic tools might be needed.
Rating
9.9
Chosen by1,455
Installation
Compatibility
Programmability
Most important from
25782 reviews
#2
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
The Google Nest Thermostat is a smart, Energy Star–certified thermostat designed to help you save energy and keep your home comfortable. It works well with many heating and cooling systems, but you should check compatibility beforehand since some setups require an additional power wire. You can easily program temperature schedules using the Google Home app, and it adjusts automatically when you leave home to avoid wasting energy. The thermostat supports remote control from smartphones, tablets, or computers, letting family members make changes from anywhere. It also offers helpful energy-saving suggestions via the app and tracks your HVAC system for maintenance alerts, which can prevent costly repairs. Voice control works smoothly with Google Assistant and Alexa, making temperature adjustments hands-free if you have the right smart devices.
Rating
9.8
Compatibility
Programmability
Smart Features
Most important from
14964 reviews
#3
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
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
9.6
Compatibility
Programmability
Smart Features
Most important from
1213 reviews
Top 10 Best 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: 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
Chosen by 1455 this week
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
Compatibility: Works with many systems; some need power wire
Programmability: Programmable via Google Home app
Smart Features: Remote and voice control; energy alerts
User Interface: Bright LCD screen; button controls
Energy Savings: Energy Star; auto adjusts; app suggestions
Installation: Wall mount; may need C wire
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: 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
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
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
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: 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
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Up to 22% off
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
Programmability: Auto-Schedule
Smart Features: Home/Away Assist, remote control
User Interface: Simple, clear display, easy app
Energy Savings: Home/Away Assist
Installation: Guides and tools included
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"
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"
Compatibility: Boiler, AC, Heat Pump, Furnace
Programmability: programmable
Smart Features: Filter Indicator, Geofence, Alexa, Google, Apple
User Interface: 4.3-inch color touchscreen
Energy Savings: ENERGY STAR, up to 23% savings
Installation: Needs C-wire, app guide, easy terminals
Honeywell Home Wi-Fi 7-Day Programmable Thermostat, RTH6580WF
Honeywell Home Wi-Fi 7-Day Programmable Thermostat, RTH6580WF
Compatibility: Forced air, hot water, steam, heat pumps
Programmability: 7-Day Programmable
Smart Features: Voice assistants, Wi-Fi, Smart Response, Auto Changeover
User Interface: Big, backlit display, intuitive controls
Energy Savings: ENERGY STAR certified, monthly energy reports
Installation: Requires C-wire power adapter
Honeywell TH9320WF5003 Wi-Fi 9000 Color Touch Screen Programmable Thermostat, 3.5 x 4.5 Inch, White, 'Requires C Wire"
Honeywell TH9320WF5003 Wi-Fi 9000 Color Touch Screen Programmable Thermostat, 3.5 x 4.5 Inch, White, 'Requires C Wire"
Compatibility: SmartThings
Programmability: Yes
Smart Features: Color changeable background
User Interface: 3.5 x 4.5-inch touch screen
Energy Savings: Potential
Installation: Requires C wire
#10
Google Nest Learning Thermostat - 3rd Gen - Programmable Smart Thermostat for Home - Compatible with Alexa (Stainless Steel)
Google Nest Learning Thermostat - 3rd Gen - Programmable Smart Thermostat for Home - Compatible with Alexa (Stainless Steel)
Compatibility: Alexa, Google Assistant, most systems
Programmability: Learns schedule and temperatures
Smart Features: Home/Away Assist, HVAC monitoring
User Interface: High-resolution display, Farsight
Energy Savings: Adjusts temperature automatically, Nest Leaf
Installation: Straightforward, under 30 minutes
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Buying Guide for the Best Thermostats
Choosing the right thermostat for your home can significantly impact your comfort and energy efficiency. A thermostat regulates the temperature of your home by controlling your heating and cooling systems. When selecting a thermostat, it's important to consider your specific needs, the compatibility with your HVAC system, and the features that will provide the most convenience and efficiency for your lifestyle.CompatibilityCompatibility refers to whether the thermostat can work with your existing heating and cooling system. This is crucial because not all thermostats are compatible with all HVAC systems. There are different types of systems such as single-stage, multi-stage, heat pump, and others. To determine compatibility, check your current system's specifications and compare them with the thermostat's compatibility list. If you have a complex system, you may need a more advanced thermostat.
ProgrammabilityProgrammability is the ability to set a schedule for your thermostat to follow. This feature is important because it allows you to automatically adjust the temperature based on your daily routine, which can lead to energy savings and increased comfort. Programmable thermostats can be divided into basic models with simple schedules and advanced models with more flexible and detailed scheduling options. If you have a predictable routine, a basic programmable thermostat may suffice. For more dynamic schedules, consider a more advanced model.
Smart FeaturesSmart features include connectivity to Wi-Fi, integration with smart home systems, and the ability to control the thermostat remotely via a smartphone app. These features are important for convenience and energy management. Smart thermostats can learn your preferences over time and adjust settings automatically. If you value convenience and want to optimize energy use, a smart thermostat with these features would be beneficial. If you prefer simplicity, a non-smart model might be more suitable.
User InterfaceThe user interface refers to how you interact with the thermostat, including the display and controls. This is important because a user-friendly interface makes it easier to adjust settings and program schedules. Interfaces can range from simple digital displays to touchscreens with advanced graphics. If you prefer straightforward controls, look for a model with a simple interface. If you enjoy technology and want more detailed information and control, a touchscreen model might be better.
Energy SavingsEnergy savings refer to the potential reduction in energy use and costs that a thermostat can provide. This is important for both environmental and financial reasons. Thermostats with energy-saving features can help you reduce your energy consumption by optimizing heating and cooling cycles. Look for models with energy-saving certifications and features like adaptive learning and energy reports. If reducing energy costs is a priority, choose a thermostat with robust energy-saving capabilities.
InstallationInstallation refers to the process of setting up the thermostat in your home. This is important because some thermostats are easier to install than others. Basic models may require simple wiring, while advanced models might need professional installation. Consider your comfort level with DIY projects and the complexity of your HVAC system. If you are confident in your abilities, a model with straightforward installation instructions may be suitable. Otherwise, consider a model that offers professional installation services.