Smart Thermostat: 7 Best Proven Steps For A Simple 2026 Setup

  • Overall Rating
  • Quality
  • Value for Money
  • Ease of Use
  • Features
4.2/5Overall Score

The Honeywell Home RTH9585WF1004 smart thermostat combines a vibrant color touchscreen with Energy Star efficiency to let you personalize comfort while saving money. Designed for forced air, hot water, and steam systems, this 7-day programmable unit works seamlessly with Amazon Alexa, Google Home, and the mobile app for remote control. Take advantage of demand response rewards and detailed energy reports to optimize your utility bills and home climate with ease.

Specs
  • Connectivity: Wi-Fi
  • Power Requirement: C-Wire
  • Compatibility: Forced Air
  • Certification: Energy Star
  • Smart Integration: Alexa, Google
  • Program Type: 7 Day
Pros
  • Energy Star Certified
  • Rebate Eligible
  • Touchscreen Interface
  • Flexible Programming
Cons
  • C-Wire Required

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat Review

Discover the Honeywell RTH9585WF1004 smart thermostat. Color touch screen, Alexa ready, and Energy Star certified. Shop now for optimal comfort.

Product Overview

The Honeywell Home RTH9585WF1004 is a second-generation Wi-Fi smart color thermostat designed for the connected home. It offers a customizable color touchscreen, flexible 7-day programming, Energy Star certification, and compatibility with Amazon Alexa and Google Home. The gray model in this review targets homeowners who want remote temperature control and energy tracking without replacing their existing HVAC system, provided their setup meets the compatibility requirements below.

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat with color touchscreen

Key Features and Specifications

  • Color touchscreen: Bright, easy-to-read display with customizable background color to match decor.
  • 7-day programmable: Flexible scheduling for your routine or utility peak-rate pricing.
  • Alexa and Google Home ready: Works seamlessly with Amazon Alexa, Google Home, and the Honeywell Home mobile app.
  • Energy Star certified: Monthly energy reports and personalized tips on reducing energy use.
  • Smart alerts: Air filter and humidifier pad change reminders, plus extreme temperature and humidity notifications.
  • Weather and comfort: Local daily forecast on screen; 5-day forecast in app; auto change from heat to cool.
  • Fan control: On, Automatic, or Circulate modes.

Compatibility: Works with forced air (gas, oil, or electric), hot water and steam, and heat pumps with electric backup. Does not work with electric baseboard heat (120-240V). A C-wire is required. Works with most heat/cool oil furnace systems; will not work with heating-only oil furnace systems unless a C-wire is present.

Honeywell RTH9585WF1004 smart thermostat installed on wall showing customizable color screen

Performance and Intended Use

Manufacturer claims position this thermostat as suited for the connected home with DIY setup. Remote access via Wi-Fi and the mobile app lets users manage temperature from anywhere. Energy reports and utility demand response program enrollment (where available) may reward customers for allowing slight temperature adjustments during high demand. The touchscreen and color personalization aim to simplify daily operation compared with standard programmable thermostats.

Strengths and Limitations

Strengths

  • Customizable color touchscreen for personalization.
  • Alexa and Google Home integration for voice and app control.
  • Energy Star certification with monthly reports.
  • Flexible 7-day programming and vacation/hold options.
  • Intelligent maintenance alerts.

Limitations

  • Requires a C-wire; homes without one may need an adapter.
  • Does not work with electric baseboard heat (120-240V).
  • Does not work with heating-only oil furnace systems without a C-wire.
  • No independent test data or verified energy savings figures are provided in the supplied information.

Comparison With Alternatives

Compared with basic programmable thermostats, this model adds Wi-Fi remote access, a color touchscreen, voice assistant compatibility, and energy reporting. Buyers should verify compatibility first, since the C-wire requirement and excluded heating types (electric baseboard, heating-only oil without C-wire) can disqualify some homes. The manufacturer suggests checking compatibility before purchase.

Who Should Buy / Who Should Consider Another Option

Who Should Buy

  • Homeowners with compatible forced-air, hot water/steam, or heat pump systems.
  • Users wanting Alexa/Google Home control and a color touchscreen.
  • Those interested in energy reports and utility demand response programs.

Who Should Consider Another Option

  • Homes with electric baseboard heat (120-240V).
  • Heating-only oil furnace systems without a C-wire.
  • Users unable or unwilling to verify C-wire availability.

Frequently Asked Questions

Does this thermostat work with electric baseboard heat?

No. According to the manufacturer, it does not work with electric baseboard heat (120-240V).

Is a C-wire required?

Yes. The manufacturer states a C-wire is required. Check whether your home needs a C-wire power adapter before purchasing.

Does it work with Alexa and Google Home?

Yes. The thermostat works seamlessly with Amazon Alexa and Google Home, as well as the mobile app for remote control.

What energy features does it include?

It is Energy Star certified and provides monthly energy reports with personalized tips on reducing energy use. Eligible customers may enroll in local utility demand response programs.

Final Verdict

The Honeywell Home RTH9585WF1004 smart thermostat offers a customizable color touchscreen, Alexa and Google Home compatibility, Energy Star certification, and flexible programming for compatible HVAC systems. Its main constraints are the C-wire requirement and incompatibility with electric baseboard heat and heating-only oil systems without a C-wire. Verify compatibility before purchase; if your system qualifies, it is a capable option for connected-home comfort and energy awareness.

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