10 Best Thermostats 2025 in the United States

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.

Its smart features are impressive; the device can learn your preferred temperatures and schedules, suggesting energy-saving adjustments you can approve through the app. It also works with Amazon Alexa, allowing for voice control, adding a layer of convenience. Energy savings are another big advantage, with an estimated reduction of 12% on heating and 15% on cooling bills. This makes it a particularly good choice for budget-conscious and eco-friendly users. The user interface is sleek and modern, featuring a polished obsidian finish and a large, easy-to-read display that adjusts brightness automatically or can be manually controlled.

However, there are a few drawbacks. The initial cost might be high for some, and while installation is generally easy, those with less common heating and cooling systems might find it more challenging. Additionally, the reliance on a stable Wi-Fi connection for smart features could be a limitation in areas with poor internet connectivity. In summary, the Google Nest Learning Thermostat (4th Gen) is ideal for those looking for an advanced, user-friendly smart thermostat that offers significant energy savings and broad compatibility.

The Google Nest Thermostat is a smart and programmable thermostat designed for home use, especially targeting energy savings and comfort. It is ENERGY STAR certified, meaning it meets strict energy efficiency guidelines, which is a significant plus for those looking to reduce energy consumption and costs. Its compatibility is broad, working with most home systems without a C wire, although some specific systems may require one. The Nest Compatibility Checker available on the Google Nest support page can help determine if your system is compatible before purchase, which is helpful.

The thermostat's programmability allows you to create energy-efficient schedules directly through the Google Home app, accessible on both Android and iPhone devices. This is user-friendly and convenient for managing your home's temperature settings remotely. The smart features are robust, with the ability to control the thermostat via voice commands using Google Assistant and other Matter-certified voice assistants. The HVAC monitoring alerts and maintenance reminders add an extra layer of convenience and potential cost savings by ensuring your systems run efficiently. One standout feature is its ability to turn itself down when you're not home, preventing energy waste.

However, the installation might pose challenges for some users, particularly if a C wire is needed for their specific system. The included mounting screws and steel plate aim to simplify the process, but it may still require some technical know-how. The user interface is straightforward, with a 2-inch LCD screen providing clear visibility. The product's charcoal color and compact size (3.3 inches in width and height) allow it to blend seamlessly into most home decors. On the downside, the lack of a lock feature might be a concern for households with children or multiple users. Additionally, while the thermostat supports a variety of control methods, users unfamiliar with smart home technology might find the setup and integration process a bit daunting.

In conclusion, this thermostat is ideal for tech-savvy individuals looking for energy efficiency and smart home integration, though its installation and setup might require some patience and technical understanding.

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.

The thermostat is easy to control via its color touchscreen or the highly-rated ecobee app, which also provides software updates to keep the device running optimally over time. Its auto-scheduling and auto-away modes help in optimizing energy use by adjusting temperatures based on your presence. For homes without a common wire (C-Wire), the installation is simplified with the optional Power Extender Kit, although this is an additional purchase.

The inclusion of smart features such as indoor humidity detection and energy use optimization during off-peak hours adds to the device's appeal. Additionally, the ability to add SmartSensors for monitoring different rooms can further enhance comfort and energy savings. However, some users might find the need for purchasing additional components like the Power Extender Kit and SmartSensors an extra cost and effort. The device's minimalist design and the clear LCD display make it user-friendly, although users should ensure their system's compatibility using the ecobee Compatibility Checker before purchase.