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10 Best Thermostats 2025 in the United States
#1
Winner
New 2025 ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
The 2025 ecobee Smart Thermostat Essential is a robust choice for anyone looking to modernize their home heating and cooling systems. One of its standout features is the potential to save up to 23% on energy costs annually, which can translate to approximately $250 in savings each year, making it a cost-effective option. Its compatibility is impressive, working with 85% of HVAC systems, and it integrates seamlessly with major smart home ecosystems like Apple HomeKit, Google Assistant, and Amazon Alexa. This makes it a versatile choice for various home setups.
Rating
10.0
Chosen by1,387
Compatibility
Programmability
Smart Features
Most important from
97 reviews
#2
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat with Adaptive Eco - Works with Alexa 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
10.0
Compatibility
Programmability
Smart Features
Most important from
753 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 feature-rich thermostat that aims to make your home more comfortable and energy-efficient. One of its standout features is its compatibility with various smart home systems like Siri, Alexa, and Google Assistant, making it easy to control with your voice. It also works with a wide range of HVAC systems, and even if your home doesn’t have a C-Wire, the included Power Extender Kit helps with easy installation. This makes it a versatile choice for many households.
Rating
9.9
Compatibility
Smart Features
User Interface
Most important from
3200 reviews
Top 10 Best Thermostats 2025 in the United States
#1
Winner
10.0 score
New 2025 ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
New 2025 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
Chosen by 1387 this week
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat with Adaptive Eco - Works with Alexa and Google Home App - Polished Obsidian
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat with Adaptive Eco - Works with Alexa 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
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: Siri, Alexa, Google Assistant, HVAC systems
Programmability: Set schedules, save 26% on energy
Smart Features: SmartSensor, air quality monitor, speaker
User Interface: Large, vibrant display
Energy Savings: Save up to 26% yearly
Installation: Power Extender Kit included
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
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required, Not Compatible with Line Volt Heating Gray
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required, Not Compatible with Line Volt Heating 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
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Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Compatibility: Most home systems without C wire
Programmability: Energy-efficient schedules via Google Home app
Smart Features: Voice commands, HVAC alerts, reminders
User Interface: 2-inch LCD screen
Energy Savings: ENERGY STAR certified, auto turn down
Installation: Screws, steel plate included, may need C wire
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
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
Programmability: Auto Home/Away, mobile adjustment
Smart Features: Smart sensors, 200 ft range, voice commands
User Interface: Touchscreen display, Resideo app
Energy Savings: ENERGY STAR certified, Demand Response
Installation: Requires C-wire, power adapter included
#10
8.3 score
Google Nest Thermostat (4th Gen, 2024) with 2 Temperature Sensors (2nd Gen) - Polished Obsidian
Google Nest Thermostat (4th Gen, 2024) with 2 Temperature Sensors (2nd Gen) - Polished Obsidian
Compatibility: 24V systems, no C wire needed
Programmability: adaptive eco modes, temperature-based
Smart Features: Home app, Alexa, Nest, Matter
User Interface: 60% larger display, Dynamic Farsight
Energy Savings: reduce bills by 12% to 15%
Installation: use Nest Compatibility Checker
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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.