Honeywell Home RTH9585WF Smart Color Thermostat Review (2026): Worth It?
The Honeywell Home RTH9585WF is an Energy Star certified Wi-Fi thermostat with a customisable colour touchscreen, 7-day programming, monthly energy reports and Alexa support. It is listed at $109.99, 39% below its list price of $179.99, and rated 4.3 out of 5 from 20,122 Amazon ratings. Our score: 8.2 out of 10.
Original price was: $179.99.$109.99Current price is: $109.99.
Honeywell Home RTH9585WF Smart Color Thermostat Review: A Colour Touchscreen Wi-Fi Thermostat With 7-Day Scheduling
The Honeywell Home RTH9585WF is an Energy Star certified Wi-Fi thermostat with a customisable colour touchscreen, 7-day programming, monthly energy reports and Alexa support. It is listed at $109.99, 39% below its list price of $179.99, and rated 4.3 out of 5 from 20,122 Amazon ratings. Our score: 8.2 out of 10.
This review is research-based. We did not physically test this product; specifications, ratings and prices are taken from the live Amazon listing on 17 October 2026. Amazon prices change often, so check the current price before you buy. It is part of our Smart Home section.
Key Specifications
| Specification | Published value |
|---|---|
| Reviewed model | Honeywell Home RTH9585WF Smart Color Thermostat |
| Product | Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray |
| Price at review | $109.99 (down 39% from a list price of $179.99), checked 17 October 2026 |
| Owner rating | 4.3 out of 5 from 20,122 ratings |
| Model | RTH9585WF1004 |
| Display | Customisable colour touchscreen |
| Scheduling | 7-day programmable |
| Voice | Amazon Alexa |
| Certification | Energy Star |
| Wiring | C-wire required |
| Compatible with | Forced air (gas, oil, electric), hot water and steam, heat pumps with electric backup |
| Not compatible with | Electric baseboard heat (120-240 V) |
| Size | 0.88 x 4.5 x 3.5 inches |
| Blue Rays score | 8.2 out of 10 |
What Stands Out About The Honeywell Home RTH9585WF Smart Color Thermostat
- Large, easy-to-read colour touchscreen you can match to your decor
- Monthly energy reports and tips
- May qualify for utility rebates and demand-response programmes
- A familiar name with 20,000-plus ratings
Limitations
- Requires a C-wire; older homes may need an adapter
- Does not work with electric baseboard heaters
- No learning or occupancy sensing like premium thermostats
- Check compatibility with your HVAC system before buying
Who Should Buy This Honeywell Smart Color Thermostat?
Homeowners with a C-wire and a standard forced-air or heat-pump system who want app and voice control without paying for a learning thermostat.
The Verdict
A solid, well-understood smart thermostat that is especially good value at its current discount. Confirm you have a C-wire first.
Honeywell Home RTH9585WF Smart Color Thermostat — Frequently Asked Questions
Does the RTH9585WF need a C-wire?
Yes. The listing says a C-wire is required and recommends checking whether your home needs a C-wire power adapter.
Does it work with electric baseboard heat?
No. Honeywell says it does not work with 120-240 V electric baseboard heat.
Check the Honeywell Home RTH9585WF Smart Color Thermostat price on Amazon →
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