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.
Amazon Renewed ST76 ST76 Sensi Touch 2 Smart Thermostat
Features
- Touchscreen color display
- Programmable schedule
- Wi-Fi connectivity
- Compatible with Alexa
- Energy Star certified
- Easy DIY installation
- C-Wire required
General specs
- Brand: Amazon Renewed
- Model: ST76
- Seller: Retailer
- ID: B0G4WF8RL8
- Brand: Sensi Touch 2
- Model: ST76
- Condition: Renewed
- Programming: Programmable
- Screen Size: 2.8 inches
- Connectivity: Wi-Fi
- Display Type: Touchscreen Color Display
- Installation: DIY
- Certification: Energy Star Certified
- Power Requirement: C-Wire Required
- Smart Compatibility: Alexa
- 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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United States
United States
Available
The Sensi Touch 2 Smart Thermostat is perfect for busy homeowners who want to cut energy costs without sacrificing comfort. Whether you're managing temperatures for a home office or keeping the house cozy for kids returning from school, this thermostat delivers precise control.
One underrated feature is the color touchscreen display. The large, vivid screen shows current temperature, weather, and system status at a glance. The text is large enough to read from across the room, eliminating the need to squint at small black-and-white screens.
While smart thermostats are common, the Sensi Touch 2 stands out with 100 years of HVAC expertise baked into its programming. The flexible scheduling options allow you to set up to four periods per day, each with its own target temperature. And with Alexa compatibility, you can adjust the thermostat hands-free. The device is Energy Star certified, so you can trust it will help reduce your utility bills.
Setup is straightforward with the Sensi app, which guides you step-by-step. Just ensure you have a C-wire, as this thermostat requires one. The renewed version works like new, backed by Amazon Renewed's guarantee.
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| Brand | Amazon Renewed | ecobee | Honeywell | Emerson | Lennox | |
| Model | ST76 | Essential | Th6220wf2006 | ST55U | 15Z69 | |
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| Price | €121.78 | €53.54 | €138.29 | €61.68 | €82.99 | €432.86 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | Jun 24, 2026 | Jun 19, 2026 | May 29, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Compatibility | Siri, Alexa, Google Assistant | Smart Home Systems | Universal | |||
When this device makes sense
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