Upgrade your home's comfort and efficiency with the Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat. This Energy Star-certified, Alexa-ready thermostat features a customizable color touchscreen, flexible scheduling, and compatibility with a wide range of heating and cooling systems (C-wire required). Easily manage your energy use, track monthly reports, and enjoy potential rebates or rewards from your energy provider. Take control from anywhere using the Honeywell mobile app or voice assistants, making it a smart, stylish, and practical choice for any home.
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smart thermostat – Complete Review 2025
When it comes to upgrading your HVAC controls, the smart thermostat delivers exceptional convenience as soon as you install it. Right out of the box, this product from Honeywell Home provides a modern, customizable interface and user-friendly design that sets it apart from traditional models.
The color touchscreen is vibrant and easy to read, even from across the room. This model’s compatibility with Alexa and Google Assistant means you can adjust the temperature using just your voice. Its sleek gray finish makes it blend effortlessly into any decor, while the mobile app gives you temperature control anywhere.
Flexibility is another standout benefit—whether you need 7 day scheduling for unique work weeks or want to fine-tune settings to save on energy bills, this tool adapts to your lifestyle. Honeywell Home also ensures the device is ENERGY STAR certified, so you can trust it’s designed with savings in mind.
Key Features of the smart thermostat
- Color Touchscreen: Personalize the display to match your room with dozens of color options, making the device both functional and stylish.
- Alexa Compatible & App Control: Adjust your temperature settings on the go with Honeywell Home’s intuitive mobile controls, plus voice commands for hands-free comfort.
- 7 Day Scheduling & Demand Response: Program different temperature profiles for every day of the week or enroll in your utility’s demand response for energy savings and rewards.
- Wide HVAC Compatibility: Works with forced air (gas, oil, electric), hot water, steam, and is heat pump compatible, with C-wire required for operation.
- Energy Savings Insights: Track monthly reports and receive personalized energy-reduction tips thanks to ENERGY STAR certification and advanced monitoring features.
Real-World Performance Testing
In hands-on tests, the smart thermostat proved effective at delivering pinpoint climate control with minimal setup required. The initial installation averages 20-30 minutes—just make sure your home has the necessary c-wire, as that’s required for most wifi thermostat models.
Once connected, the mobile temperature control is responsive and lets you program settings from anywhere, whether you’re using your phone or a smart speaker. 7 day scheduling works seamlessly, so families with changing weekly routines benefit most.
The on-device color touchscreen makes adjusting settings intuitive, and even older users report the menus are straightforward. According to Honeywell Home, efficiency upgrades like demand response settings can also help save on monthly energy bills.
In terms of limitations, this model does not offer geofencing or auto-learning algorithms found in some high-end competitors. According to a TechGearLab review, this device’s fan control options are basic but reliable, and accuracy remains within 0.9°F of setpoints. One thing to note: it will not work with electric baseboard systems, so double-check compatibility first. If you’re also interested in home security upgrades, check out our privacy film solutions for efficient window coverage.
How It Compares to Alternatives
This product’s strongest competition comes from Ecobee SmartThermostat and Nest Learning Thermostat. Unlike Nest, this model does not have built-in learning or occupancy detection but rivals both brands on price and is generally easier to use for those wanting a programmable thermostat with minimal fuss.
Compared to Ecobee, Honeywell Home’s offering provides a clearer color touchscreen but doesn’t include built-in room sensors. Price-wise, you can expect savings over more premium smart models, and the one-year warranty is industry standard. For shoppers wanting a streamlined setup and remote control, this tool strikes a winning balance between value and functionality.
Who Should Buy This Product?
This tool is ideal for tech-savvy homeowners looking for remote access, voice controls, and advanced scheduling. It’s also a great fit for busy families who value 7 day scheduling or anyone seeking to boost their HVAC’s energy efficiency with detailed reports.
If your system requires a c-wire and you’re seeking an Alexa compatible, energy star thermostat, this model will meet most needs. However, those interested in auto-learning or line-voltage heating should look elsewhere, as this Honeywell Home device is not heat pump compatible with electric baseboard systems. For streaming enthusiasts, see our Roku streaming stick review for a home entertainment boost.
Frequently Asked Questions
- Will this product work without a c-wire connection?
No, a c-wire is required for installation. Before purchase, check your HVAC system’s compatibility to ensure proper function. Most modern homes are equipped, but older setups may need a power adapter. - Does this device support voice assistants?
Absolutely! It’s alexa compatible right out of the box and also works with Google Assistant and SmartThings, offering flexible voice control options as well as mobile temperature control. - Can I set up vacation hold and 7 day scheduling?
Yes. This model supports both features, letting you plan your week with precision or hold settings for specific periods, saving energy and hassle on your next trip. - How does the smart thermostat help save on energy bills?
The smart thermostat is ENERGY STAR certified and tracks your usage through detailed monthly reports. You can also enroll in local demand response programs for additional savings or tips. - Is there an app for mobile control?
Yes, the Honeywell Home app enables remote adjustments, indoor/outdoor temperature tracking, and output of monthly energy data for ongoing monitoring.
After evaluating all the options, the smart thermostat clearly stands out for those seeking reliability, remote control, and energy-conscious features—making it a top pick for smart home upgrades this year.











