10 Best Honeywell Smart Thermostats 2025 in the United States

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 RTH9600WF Smart Thermostat is a solid choice for users looking to enhance their home's heating and cooling efficiency. Its ENERGY STAR certification signifies that it helps reduce energy consumption, and it offers useful features like energy reports and personalized energy-saving tips. One of its major strengths is the ability to control the thermostat remotely via a smartphone app or compatible smart home devices like Amazon Alexa and Google Assistant, making it highly convenient for tech-savvy homeowners.

The customizable color touchscreen adds a touch of personalization, allowing users to match it with their home decor. Additionally, the on-screen display provides indoor and outdoor temperature readings, humidity levels, and daily weather forecasts, which many users find beneficial for maintaining comfort.

However, potential buyers should be aware of a few limitations. The thermostat requires a C-wire for installation, which might necessitate an additional power adapter if your home isn’t already set up for it. This could be a drawback for those with older heating systems or those who don't have a C-wire readily available. Moreover, while the compatibility covers various heating setups, it notably excludes electric baseboard heating systems, which can restrict its usability in some households.

The Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat is a solid choice for those looking to manage their home’s heating and cooling efficiently. One of its key strengths is its wide compatibility with various systems, including forced air, hot water, steam, and heat pumps, though it does not work with electric baseboard heat. It requires a C-wire power adapter, which is important to check before purchasing to ensure compatibility with your home setup.

Connectivity is robust with Wi-Fi support, allowing control via the Total Connect Comfort app or the Resideo app, and it's compatible with voice assistants like Amazon Alexa, Google Assistant, and Microsoft Cortana. This makes it easy to control your thermostat from anywhere, providing flexibility and convenience. The user interface is intuitive with a large, backlit digital display, making it easy to read and operate.

The 7-day programmable feature allows for customization to fit your schedule, and it supports up to four different periods per day. Energy efficiency is another highlight, as it is ENERGY STAR certified and provides monthly energy reports along with personalized energy-saving tips. Users can also participate in demand response programs for additional savings. The thermostat lacks advanced learning capabilities found in some other smart thermostats, meaning it doesn’t automatically adjust based on your habits. Additionally, it doesn’t feature geofencing, which would allow it to adjust the temperature based on your location.