No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
Honeywell RTH9585WF RTH9585WF Wi-Fi Smart Color Thermostat + Wall Plate
Features
- Personalizable color display
- Flexible schedule programming
- Bright touchscreen operation
- Works with most HVAC systems
- Includes white coverplate assembly
General specs
- Brand: Honeywell
- Model: RTH9585WF
- Seller: Retailer
- ID: B09MQH65JS
- Part Number: thp2400a1027w
- Display Type: Touchscreen
- Package Weight: 90.72 grams
- Compatible Systems: Forced air (gas, oil or electric), Hot water and steam, Heat pumps with electric backup
- Package Dimensions: 17.27 x 14.22 x 2.54 cm
- Not Compatible With: Electric baseboard heat (120-240V)
- Programming Options: Flexible scheduling, Utility company peak rate pricing
- Color Personalization: Yes
- Coverplate Assembly Included: White
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
For homeowners who want to save energy without sacrificing comfort, this Honeywell Home Smart Color Thermostat makes it easy. You can set custom schedules that match your daily routine, and the thermostat automatically adjusts to reduce heating or cooling when you're away, lowering your utility bills.
The colorful touchscreen display is easy to read and operate. You can change the color to match your wall or mood. Setup is straightforward with the included wall plate, and the thermostat works with most HVAC systems. It's also Alexa compatible, so you can adjust the temperature by voice.
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| Brand | Honeywell | Honeywell Home | Visit the Amazon Renewed Store | Emerson | ecobee | Honeywell |
| Model | RTH9585WF | RTH9585WF1004 | RTH9585WF1004 | ST55U | Smart Si | RTH9580WF |
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| Price | €175.64 | €98.17 | €107.05 | €82.99 | €53.54 | €133.04 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Display Type | Touchscreen | LED | Touchscreen | Full Color NON-Touch Screen | ||
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