10 Best Honeywell Smart Thermostats 2025 in the United States

The Honeywell Home RCHT9610WF T9 Wi-Fi Smart Thermostat, paired with three Smart Room Sensors, offers an impressive solution for managing home temperature effectively. One of its standout features is the ability to focus on specific rooms, making it perfect for families or individuals who desire personalized comfort in different areas of the house. With a great sensor range of up to 200 feet, you can maintain control even if you’re not in the same room as the thermostat.

In terms of compatibility, this thermostat works with various heating systems, ensuring it can adapt to different home setups. It also supports integrations with popular smart home assistants like Alexa and Google Assistant, providing flexibility in how you control your home environment.

A significant highlight is the energy-saving capabilities. Being ENERGY STAR certified, it not only helps reduce energy costs but also provides detailed energy reports with personalized tips, which can be a boon for those looking to lower their utility bills. The T9 is not compatible with electric baseboard heating, which might restrict its use in certain homes. While the installation is described as DIY-friendly, it does require a C-wire or the use of the provided power adapter, which some users may find challenging if they aren't comfortable with home installations. Additionally, while the app and features offer solid functionality, those less inclined towards smart technology may find the learning curve a bit steep initially. This thermostat is best suited for tech-savvy homeowners who appreciate customization and energy-saving features but may not be ideal for those with specific heating systems or less tech-friendly preferences.

The Honeywell Home RTH9585WF1004 is a solid choice in the smart thermostat market, particularly for those looking for a programmable and user-friendly device. One of its standout features is its compatibility with various smart home ecosystems like Alexa, Google Home, and SmartThings, making it a versatile option for connected homes. The customizable color touchscreen is intuitive and displays easy-to-read information, including local weather updates and humidity levels, enhancing the user experience.

Users will appreciate the energy-saving capabilities, as this thermostat is Energy Star certified and offers flexible scheduling that can adapt to utility peak pricing. The intelligent alerts for maintenance, like air filter changes, are also a helpful addition, promoting efficient home management.

However, while it boasts many strengths, there are a few drawbacks to consider. Some users might find the initial setup process a bit challenging, especially if they are not familiar with smart devices. Additionally, the Wi-Fi connectivity is limited to 2.4GHz, which may not provide the same speed found in newer 5GHz networks, potentially affecting real-time updates. The warranty period is just one year, which is shorter compared to other brands that may offer extended warranties. Also, while the interface is generally user-friendly, there are indications that the touchscreen may not always be responsive, which can be frustrating.

The Honeywell Home T9 WiFi Smart Thermostat presents a robust option for those seeking a smart thermostat with versatile features. Its compatibility is commendable, working with various heating and cooling systems, including forced air, hot water, steam, and heat pumps with electric backup. However, it does not support electric baseboard heat and requires a C-Wire for operation, which could be a limitation for some homes.

The thermostat excels in connectivity, offering control via the Resideo app, Amazon Alexa, Apple HomeKit, Google Assistant, and more, providing users with flexibility in managing their home environment. The learning capabilities are enhanced by Smart Room Sensors, which detect and prioritize comfort in occupied rooms, although the effectiveness can vary based on home construction and sensor placement within its 200 ft range. The user interface is user-friendly with a touchscreen display and easy installation guided by the app, making it accessible for non-tech savvy users.

Energy reports and the Energy Star certification are significant benefits, helping users save on energy costs, particularly with available energy rebates and participation in demand response programs. Geofencing capabilities allow the thermostat to adjust settings based on the user's location, further optimizing energy use. However, the reliance on batteries (2 AAA) for the sensors may be a minor inconvenience, requiring periodic replacements. Additionally, while the multi-room focus feature is advantageous, it necessitates additional sensors to function effectively. In summary, the Honeywell Home T9 WiFi Smart Thermostat is a comprehensive and user-friendly choice for those looking to enhance their home's efficiency and comfort, with minor limitations in compatibility and sensor dependency.