
Honeywell Home RTH9585WF1004
Score: 73/100
Honeywell Home RTH9600WF
Score: 78/100Rankings

The Honeywell Home RTH9600WF is an ENERGY STAR-certified smart thermostat featuring a vibrant color touchscreen and extensive smart-home integration. Its requirement for a dedicated C-wire and incompatibility with certain heating systems limit installation flexibility. Ideal for homeowners with compatible 24 VAC systems seeking advanced display and remote control.

Honeywell Home RTH9585WF1004 offers a sleek full-color touchscreen and supports both Alexa and Google Assistant, backed by ENERGY STAR certification. It requires a C-wire and can suffer from temperature accuracy and occasional app glitches. Best suited for homeowners wanting a customizable display and multi-assistant integration at a moderate price.
| Attribute | ![]() | ![]() |
|---|---|---|
1 years | 2 yearsbest | |
| ↓ lower better | 0.204 kgbest | 0.318 kg |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(2) | ||
HVAC Compatibility | Forced air, hot water, steam, heat pumps | Works with 24 VAC systems (forced air, heat pump, hydronic, hot water, steam); requires C-wire; incompatible with millivolt, 120/240V baseboard heat, heating-only oil furnaces without C-wire |
Warranty (years) | 1 years | 2 years |
Connectivity(1) | ||
Smart Home Integration | Alexa, Google Assistant, SmartThings, IFTTT | Amazon Alexa, Google Assistant, IFTTT, iOS, Android |
Power & Installation(1) | ||
Power Source | 24V | Battery |
Display(1) | ||
Display Type | Full-color touchscreen | LCD color touchscreen with backlight |
Build & Design(2) | ||
Device Weight (kg) | 0.204 kg | 0.318 kg |
Device Dimensions (H×W×D) (mm) | 22×114×89 mm mm | 89x22x114 mm mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Honeywell RTH9585WF1004 for its stylish, full-color display, easy integration with Alexa and Google Assistant, and its Smart Response learning that simplifies scheduling. They also highlight its ENERGY STAR rating and Demand Response capability as strong points for energy-conscious buyers, while noting its reliance on a C-wire as a potential limitation.
Everyday users appreciate the intuitive touchscreen, quick setup, reliable Wi-Fi control, and attractive customizable design. Common praise centers on energy-usage reports and voice-control convenience, whereas recurring complaints involve temperature accuracy, small size, occasional touchscreen lag, app instability, and Wi-Fi connectivity issues.




Professional reviewers such as Consumer Reports evaluate the RTH9600WF on smart-feature performance (Smart IQ), manual operation ease, and automation capabilities, but detailed ratings are behind a subscription wall, leaving only a general acknowledgment of its comprehensive smart-thermostat functionality.