10 Best Thermostat Controlled By Phone 2026 in the United States
#1
Winner
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required (Pack of 2)
The Amazon Smart Thermostat offers a straightforward and affordable way to upgrade your home's temperature control, especially if you're already using Alexa devices. It connects seamlessly with Alexa, allowing you to set schedules, adjust settings on the go via the Alexa app, and create comfort zones based on temperature or presence—helpful for saving energy. The thermostat requires a C-wire for installation, which might be a limitation in some older homes, but the app provides clear, step-by-step guidance to make setup manageable for most users.
Rating
10.0
Chosen by1,281
Compatibility
Connectivity
Installation
Most important from
25134 reviews
#2
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Fog
The Google Nest Thermostat is a solid choice if you want to control your home’s temperature remotely via phone or voice commands. It connects easily through Wi-Fi and works with popular smart home systems like Google Assistant and Alexa, making it simple to adjust settings without being near the thermostat. It’s compatible with most heating and cooling systems—about 85%—and Google provides an online tool to check compatibility before you buy. Installation is straightforward and can often be done in about 30 minutes, with all necessary parts included.
Rating
10.0
Installation
Learning Capabilities
Connectivity
Most important from
29052 reviews
#3
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
The Google Nest Thermostat is a smart, programmable thermostat that offers numerous features to enhance home comfort and energy efficiency. It supports multiple connectivity options such as Wi-Fi and Bluetooth, making it easy to control remotely using your phone, laptop, or tablet. The thermostat is compatible with Google Assistant and other Matter-certified voice assistants, providing convenient voice control options.
Rating
9.7
Compatibility
Connectivity
User Interface
Most important from
29052 reviews
Top 10 Best Thermostat Controlled By Phone 2026 in the United States
#1
Winner
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required (Pack of 2)
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required (Pack of 2)
Compatibility: Alexa devices
Connectivity: Alexa app
User Interface: Alexa app, voice control
Energy Reports: EPA-backed energy savings estimate
Geofencing: Basic presence-based comfort zones
Installation: Needs C-wire, app guides steps
Chosen by 1281 this week
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 most heating and cooling systems
Connectivity: Wi-Fi
User Interface: Round display, Google Home, voice control
Learning Capabilities: No advanced learning; suggests schedule tweaks
Energy Reports: Alerts HVAC issues; Savings Finder tool
Geofencing: Lowers heating/cooling when you leave
Installation: Easy, 30 minutes, all parts included
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Compatibility: Google Assistant, Matter-certified assistants
Connectivity: Wi-Fi, Bluetooth
User Interface: Google Home app
Learning Capabilities: Savings Finder, auto adjustment when away
Energy Reports: Yes
Geofencing: Yes
Installation: Straightforward, may need C wire
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Sand
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Sand
Compatibility: Works with iOS, Android; limited HVAC
Connectivity: Wi-Fi
User Interface: Touchscreen, LCD display
Learning Capabilities: None, no advanced learning features
Energy Reports: Savings Finder suggests energy savings
Geofencing: Yes
Installation: Mostly easy; some wiring may needed
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant, Black
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant, Black
Compatibility: HVAC systems, Siri, Alexa, Google Assistant
Connectivity: Wi-Fi, Bluetooth
User Interface: Intuitive, vibrant display
Learning Capabilities: SmartSensor, minimizes hot and cold spots
Energy Reports: Detailed energy reports, 26% savings
Geofencing: Adjusts temperature when you leave or return
Installation: Power Extender Kit, quick start guide
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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: Works with most common heating systems
Connectivity: Wi-Fi
User Interface: Large bright round display; customizable
Learning Capabilities: Learns schedule; suggests energy-saving changes
Geofencing: Auto switches to energy-saving modes
Installation: Usually no C wire; 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
Connectivity: Wi-Fi, dual-band Wi-Fi
User Interface: Intuitive, user-friendly, ecobee app
Learning Capabilities: Adjusts to schedule, pre-heating, pre-cooling
Energy Reports: Provided by the device
Installation: Simplified with kit, includes Power Extender
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: Amazon Alexa, Google Assistant, Microsoft Cortana
Connectivity: App control
User Interface: Customizable color touchscreen
Energy Reports: ENERGY STAR certified, track usage
Installation: C-wire required, not compatible with line voltage
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, HomeKit, Google, Alexa
Connectivity: Wi-Fi
User Interface: Color touchscreen
Learning Capabilities: Auto-Scheduling, Auto-Away Mode
Energy Reports: Yes
Installation: Straightforward, optional Power Extender Kit
#10
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
Connectivity: 2.4 GHz only, 802.11 b/g/n
User Interface: Alexa app, voice control, on-device
Learning Capabilities: Alexa learns and improves over time
Energy Reports: Energy dashboard in the Alexa app
Geofencing: Adjusts thermostat when phone leaves home
Installation: Guided installation in the Alexa app
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Buying Guide for the Best Thermostat Controlled By Phone
Choosing a thermostat controlled by your phone can greatly enhance your comfort and energy efficiency at home. These smart thermostats allow you to adjust the temperature remotely, set schedules, and even learn your preferences over time. To find the best thermostat for your needs, consider the following key specifications and how they align with your lifestyle and home setup.CompatibilityCompatibility refers to whether the thermostat will work with your existing heating and cooling system. This is crucial because not all thermostats are compatible with all HVAC systems. To navigate this, check the specifications of your current system (e.g., gas, electric, oil, heat pump) and ensure the thermostat supports it. If you have a more complex system, like multi-stage heating or cooling, make sure the thermostat can handle that as well. Choose a thermostat that matches your system to avoid installation issues and ensure optimal performance.
ConnectivityConnectivity refers to how the thermostat connects to your phone and other smart devices. This is important because it determines how easily you can control the thermostat remotely. Most smart thermostats use Wi-Fi, but some may also support Bluetooth or other wireless protocols. Look for a thermostat with strong and reliable Wi-Fi connectivity to ensure you can control it from anywhere. If you have a smart home ecosystem (like Google Home, Amazon Alexa, or Apple HomeKit), make sure the thermostat is compatible with it for seamless integration.
User InterfaceThe user interface is how you interact with the thermostat, both on the device itself and through the app on your phone. A good user interface is important for ease of use and convenience. Thermostats with touchscreens and intuitive apps are generally easier to navigate. Consider how tech-savvy you are and whether you prefer a simple, straightforward interface or one with more advanced features and customization options. Choose a thermostat with a user interface that you find easy to use and understand.
Learning CapabilitiesLearning capabilities refer to the thermostat's ability to learn your schedule and preferences over time and adjust the temperature automatically. This feature is important for maximizing comfort and energy savings without constant manual adjustments. Some thermostats can learn your habits within a week and start making adjustments on their own. If you have a predictable routine, a learning thermostat can be very convenient. If your schedule is more irregular, you might prefer a thermostat with more manual control options.
Energy ReportsEnergy reports provide insights into your energy usage and can help you identify ways to save on your utility bills. This feature is important for those who are conscious about energy consumption and want to optimize their heating and cooling. Look for thermostats that offer detailed energy reports and tips for improving efficiency. If you are keen on monitoring and reducing your energy usage, choose a thermostat that provides comprehensive and easy-to-understand energy reports.
GeofencingGeofencing uses your phone's location to determine when you are home or away and adjusts the temperature accordingly. This feature is important for ensuring your home is comfortable when you arrive and saving energy when you are away. Thermostats with geofencing can automatically switch to energy-saving modes when you leave and start heating or cooling before you return. If you have a consistent routine and often forget to adjust the thermostat, geofencing can be very useful. If you prefer more manual control, this feature might be less important.
InstallationInstallation refers to how easy it is to set up the thermostat in your home. This is important because a complicated installation process can be frustrating and may require professional help. Some thermostats are designed for easy DIY installation with clear instructions and online support, while others might be more complex. Consider your comfort level with DIY projects and whether you are willing to hire a professional if needed. Choose a thermostat with an installation process that matches your skills and preferences.