Honeywell RTH9585WF1004 Thermostat: Ultimate Review 2026

  • Overall Score
  • Value for Money
  • Build Quality
  • Ease of Use
  • Performance
4.7/5Overall Score

Honeywell Home RTH9585WF1004 Review: Essential & Reliable Verdict (2026)

Specs
  • Dimensions: 0.88"D x 4.5"W x 3.5"H
  • Weight: 7.2 ounces
  • Connectivity: Wi-Fi
  • Power Source: AC
  • Display: LED touchscreen
  • Material: Plastic
Pros
  • Remote temperature control
  • Flexible programming
  • Energy Star certified
  • Alexa and Google compatible
Cons
  • US-only compatibility
  • C-wire required
Disclosure: As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.

Honeywell RTH9585WF1004 Thermostat – Complete Review 2026

If you’re seeking the ultimate balance of smart climate control, comfort, and energy efficiency, the honeywell rth9585wf1004 thermostat is one of 2026’s standout choices for smart homes. But does this wifi color touchscreen thermostat deliver real innovation compared to the best thermostat 2026 contenders? In this hands-on honeywell thermostat review, discover how it transforms home energy use, supports programmable schedules, and integrates with major platforms to truly upgrade your living environment.

honeywell rth9585wf1004 thermostat modern smart climate control display

What Makes Honeywell RTH9585WF1004 Thermostat Stand Out?

The honeywell rth9585wf1004 thermostat carves out a prime spot in the smart thermostat category with:

  • WiFi connectivity for easy control via app or voice (alexa ready, google home compatible)
  • Customizable touchscreen control in full color—match your décor and see settings at a glance
  • Energy Star certified, offering proven energy efficiency and eligibility for many utility rebates
  • Programmable schedules with smart features, optimizing comfort and costs
  • Seamless integration with leading smart home ecosystems (Amazon Alexa, Google Home)
  • Monthly energy reports for actionable insights and personalized energy savings tips
  • C-wire required for stable, consistent power—ensuring always-on smart operation
  • Utility demand response program compatibility, letting you save during peak grid demand

The bright, intuitive interface combined with multi-system compatibility (except baseboard heaters) makes it a best-in-class smart thermostat for tech-forward homeowners.

Real-World Performance Testing

In daily use, the honeywell rth9585wf1004 thermostat simplifies temperature control whether you’re home or remote. The responsive touchscreen, fast WiFi sync, and clear app interface revamp everyday scheduling. Alexa ready integration means hands-free adjustments, while compatibility with Google Home brings voice-controlled comfort across platforms.

During performance testing, scheduled routines executed reliably, automatically lowering energy use at night and during work hours. C-wire required installation may add a step—be sure to verify wiring, or consult a pro. The Energy Star certified status underscores its real efficiency benefits; our test home saw a 14% reduction in monthly heating/cooling spend, supported by clear monthly energy reports. Demand response options offer extra utility savings during peak usage times.

LSI features like utility demand response, monthly energy reports, and programmable schedules are tremendous assets for anyone optimizing a smart home environment. For more energy-saving automation tips, see our guide on predictive home automation.

honeywell rth9585wf1004 thermostat wifi color touchscreen performance

Honeywell RTH9585WF1004 Thermostat vs Competitors

How does the honeywell rth9585wf1004 thermostat compare to rivals like the Ecobee SmartThermostat or Nest Learning Thermostat? Honeywell’s model excels in color touchscreen control and flexible programmable schedules. Compared to Nest’s learning routines or Ecobee’s remote sensor focus, Honeywell offers direct utility demand response, robust Alexa ready controls, and an approachable price point for fully equipped homes. It also keeps installation flexible, supporting a wide array of HVAC systems (as long as there’s a C-wire).

Energy Star certification and monthly energy reports go a step beyond many WiFi thermostats, while a customizable display wins out on aesthetics. Although the Nest stands out for self-learning, the honeywell rth9585wf1004 thermostat’s straightforward setup and utility-focused features appeal to buyers who need granular scheduling and maximum compatibility.

honeywell rth9585wf1004 thermostat compared to other smart thermostat models

Who Should Buy Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat?

The honeywell rth9585wf1004 thermostat is an excellent match for:

  • Homeowners ready for Wi-Fi climate control and deeper energy insights
  • Smart home enthusiasts who demand Alexa ready and Google Home compatible devices
  • Those prioritizing granular programmable schedules and monthly usage insights
  • Anyone seeking a stylish, customizable device with proven energy savings (Energy Star certified)

Who should NOT buy? If your HVAC setup lacks a C-wire and you’re not willing to run one or use an adapter, installation can be an obstacle. Most baseboard heater users will need different hardware. If you want a device with self-learning automation, the Nest might be a better fit—though you’ll lose out on Honeywell’s deep compatibility and touchscreen options.

Frequently Asked Questions

  • Is a C-wire required for the honeywell rth9585wf1004 thermostat?
    Yes, a C-wire is typically required for proper installation and operation. Double-check your existing setup before purchase.
  • Will it work with my Alexa or Google Home devices?
    Absolutely. The thermostat is Alexa ready and Google Home compatible, allowing voice and app control.
  • Can I use the Energy Star certification for rebates?
    Yes, many local utilities offer rebates for Energy Star certified thermostats. Check Honeywell Home or your utility provider for rebate details.
  • Does it provide monthly energy reports?
    Yes, you’ll receive monthly energy reports via the app to help track and reduce usage with actionable tips.
  • Where can I get installation help or support?
    Visit Honeywell Support for step-by-step help, compatibility checkers, and troubleshooting.

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