10 Best Smart Thermostats With Remote Access 2025 in the United States

The Google Nest Learning Thermostat (4th Gen) is a very capable smart thermostat designed to simplify home temperature management while helping save energy. It supports most common heating and cooling systems without needing a C wire in many homes, making installation relatively straightforward. The setup is user-friendly, especially with the detailed mounting kit and easy-to-follow instructions. Remote control is seamless via the Google Home app and voice assistants like Alexa, Siri, and Google Assistant, allowing you to adjust settings from anywhere. One standout feature is its learning capability—it studies your habits and even considers outdoor temperature changes to optimize your heating and cooling schedules, which can lead to meaningful energy savings over time. The included Nest Temperature Sensor adds flexibility by letting you control the temperature in multiple rooms for better comfort.

Its bright, large round touchscreen with Dynamic Farsight makes it easy to check settings even from across the room, and you can personalize the display style to your liking. The thermostat integrates well with popular smart home systems and supports the new Matter standard for smoother device communication. Some users might find the initial price higher compared to basic models, and while it’s designed for easy installation, homes with uncommon HVAC setups may still require professional help. Although it provides energy-saving reports and suggestions, these are mostly accessible through the app and offer a general overview rather than specialized, detailed energy monitoring.

This thermostat is a strong option for those seeking an intelligent, attractive, and well-integrated smart thermostat that learns and adjusts to your lifestyle, especially suitable for tech-friendly homeowners interested in enhancing comfort and energy efficiency.

The Google Nest Thermostat is a smart and ENERGY STAR certified device designed to help you save energy and stay comfortable. One of its notable strengths is compatibility; it works with most heating and cooling systems, though some may require a C wire or power accessory. The thermostat features Wi-Fi connectivity, allowing remote control via phone, laptop, or tablet, which makes it convenient for families to adjust the temperature from anywhere. Additionally, its integration with Google Assistant, Alexa, and other Matter-certified voice assistants enables voice control, enhancing its usability within smart home setups.

The programmable schedule feature, supported by the Google Home app, allows for easy adjustments to optimize energy use. A standout feature is the Savings Finder, which suggests tweaks to further improve energy efficiency. The thermostat also includes HVAC monitoring to alert users of potential system issues, contributing to proactive maintenance. However, the installation process might be tricky for some users, especially if additional wiring is needed.

The user interface is generally straightforward but relies heavily on the app for detailed adjustments and reports, which might not appeal to those who prefer physical controls. With a glossy finish and rectangular shape, the Nest Thermostat maintains a sleek design that fits well in most home decors. It requires 2 AAA batteries, which are included, and weighs 9.9 ounces. The Google Nest Thermostat is a robust option for those looking to integrate smart technology into their home heating and cooling systems, offering remote access, energy-saving capabilities, and integration with popular voice assistants, though it may require a bit of effort during installation.

The Amazon Smart Thermostat is a solid choice for those looking to upgrade from a traditional thermostat while benefiting from remote access and smart home integration. One of its key strengths is its compatibility with various Echo devices, allowing for the use of temperature sensors and effective control of hot or cold spots in the home. The integration with Alexa lets users manage temperatures remotely via voice commands or the Alexa app, which adds convenience for busy households.

Another notable feature is its learning capabilities. The thermostat can adapt to your routine through 'Hunches,' making automatic adjustments when it senses that the house is empty or everyone is asleep. This functionality not only enhances comfort but can also lead to energy savings, with the EPA estimating an average reduction of $50 on annual energy bills for users of ENERGY STAR certified devices. Additionally, the setup process is guided within the Alexa app, making it accessible for those who may not be very tech-savvy.

However, there are some drawbacks to consider. The Amazon Smart Thermostat requires a C-wire for installation, which may not be available in all homes, potentially necessitating the purchase of a power adapter kit. Users also need to ensure their home HVAC system is compatible, as it's not suitable for 110-240V systems like electric baseboard heating. Furthermore, while it offers good remote control options, it lacks advanced monitoring features that some higher-end models provide, such as humidity sensing or air quality monitoring.