10 Best Thermostats 2025 in the United States

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.

Programmability is another strong point, as you can set schedules to optimize heating and cooling, potentially saving up to 26% on yearly energy costs. The included SmartSensor helps ensure the most important rooms in your home stay comfortable by adjusting temperatures to reduce hot or cold spots. The built-in air quality monitor is a unique feature that alerts you to poor air quality and reminds you to change your air filter, adding an extra layer of convenience and health benefits. The user interface is another highlight, featuring a large, vibrant display that is easy to navigate and visually appealing.

On the downside, some advanced features like smoke alarm detection and break-in alerts require a subscription to the ecobee Smart Security plan, which could be an additional cost. Additionally, to use Siri, an Apple home hub is required, which might not be ideal for non-Apple users. The smart speaker feature is a nice touch, but the sound quality might not replace your main speakers. In summary, the ecobee New Smart Thermostat Premium is a comprehensive and smart choice for those looking to upgrade their home’s heating and cooling system, with a few considerations around additional costs for some features.

The Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat is a strong contender in the smart thermostat category, particularly for those looking for versatility and convenience. Its compatibility with major smart home systems like Alexa, Google Home, and SmartThings allows for seamless integration into your existing setup. The customizable color touchscreen is a standout feature, making it visually appealing and easy to navigate. Users can easily adjust settings and view important information like local weather and indoor humidity levels at a glance.

Programmability is another key strength; it offers flexible scheduling options that can be tailored to your daily routine or adjusted based on energy pricing. This can lead to notable energy savings, a crucial aspect for budget-conscious consumers mindful of their environmental impact. The intelligent alerts for maintenance reminders, such as air filter changes, enhance user experience by keeping you informed about your system's health.

However, there are a few points to consider. While installation is generally straightforward, some users may find it a bit challenging if they lack experience with home wiring or HVAC systems. Additionally, being a Wi-Fi thermostat, it relies on a stable internet connection to utilize its smart features fully. Any connectivity issues could hinder performance, especially when you're counting on alerts or remote access.

The price point may be higher than traditional thermostats, which could deter budget-conscious buyers who aren't interested in smart features. Nevertheless, those who appreciate advanced capabilities and energy management will likely find the investment worthwhile. The Honeywell Home RTH9585WF1004 is best suited for homeowners or small businesses looking to enhance their heating and cooling systems with modern technology and energy efficiency.

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.