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 RTH9580WF RTH9580WF Wi-Fi Smart Thermostat
Features
- Wireless wifi connectivity
- Smart device compatibility
- Programmable temperature control
- Indoor sensors included
- System compatibility
General specs
- Brand: Honeywell
- Model: RTH9580WF
- Seller: Retailer
- ID: B00DHLQZTY
- Brand: Honeywell
- Sensors: Temperature, Humidity
- Mounting: Wall mount
- Connectivity: Wi-Fi
- Compatibility: Apple iOS, Android
- Not Compatible With: Millivolt systems, 120/240V systems
- System Compatibility: 24V heating and cooling systems
- Programmable schedules: Heating, Cooling
- Voice Assistant Integration: Yes
- First listed by seller: May 27, 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
Take control of your home's climate with the Honeywell Wi-Fi Smart Thermostat, designed for busy homeowners who want comfort and energy savings without the hassle. Whether you're adjusting the temperature from bed or while on vacation, this thermostat makes it simple.
The built-in sensors monitor temperature and humidity, so your space stays comfortable without constant manual adjustments. Set custom schedules through the app, and the thermostat follows your routine smoothly. It works with Alexa and Google Assistant for voice control, letting you change settings hands-free. You'll save on energy bills by programming setbacks when you're away, and the remote access means you can adjust before you arrive home. Compatible with most 24V systems, it's a straightforward upgrade for smarter home comfort.
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| Brand | Honeywell | Braeburn | Emerson | Honeywell Home | Wyze | |
| Model | RTH9580WF | 7205 | ST55U | TH8321WF1001/U | ||
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| Price | €133.04 | €59.79 | €82.99 | €178.49 | €191.84 | €61.68 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | May 29, 2026 |
| Compatibility | Apple iOS, Android | Smart Home Systems | 90% home systems | |||
| Product Type | Wi-Fi Thermostat | Wi-Fi Programmable Thermostat | HVAC CONTROL THERMOSTAT | |||
When this device makes sense
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