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.
Emerson ST75 Black, Tuya, Alexa Smart Thermostat with Touchscreen Color Display
Available offers (2)
Current
—
Black, Tuya, Alexa
Retailer
€151.60
Available to order
Price history by offer
Volatility: HighFeatures
- Save about 23% on HVAC energy
- Control from anywhere with smartphone app
- Easy DIY installation with step-by-step instructions
- Works with Alexa for voice control
- Smart maintenance with usage reports and alerts
- Sleek modern design with large color display
- Privacy protection with no data sale to third parties
General specs
- Brand: Emerson
- Model: ST75
- Seller: Retailer
- ID: B01N3CEUDH
- Voltage: 24
- Connectivity: Wi-Fi
- Display Type: Color LCD
- Power Source: Wired
- Control Methods: Touchscreen, App
- Smart Home Platform: Tuya
- Voice Assistant Compatibility: Alexa
- First listed by seller: November 9, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
For homeowners who want to simplify their daily routine and cut energy costs, the Emerson Sensi Touch smart thermostat offers reliable control. While many focus on home security, this device brings peace of mind through energy savings and comfort management, especially for busy families juggling work and home life.
Set flexible schedules in the app, and you will notice your HVAC runs less often without sacrificing comfort. The large color display shows clear readings, and the motion alert for system issues often arrives before you sense a temperature change. With remote access via smartphone, you can adjust settings from anywhere, ensuring your home is always welcoming.
Smart maintenance features deliver usage reports and filter reminders, helping you avoid costly repairs. Easy DIY installation with step-by-step guides means you can set it up quickly and start saving energy right away.
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Emerson ST75 Black Save about 23% on HVAC energy
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meross MTS300 Black
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Emerson ST25 Black Save about 23% on HVAC energy
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Honeywell RENEWRTH9585WF/U Silver Energy Star certified for energy savings
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| Brand | Emerson | vine | meross | LEVOIT | Emerson | Honeywell |
| Model | ST75 | B0FFBC4MV4 | MTS300 | Aura 400S | ST25 | RENEWRTH9585WF/U |
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| Price | €151.60 | €71.33 | €50.80 | €71.79 | €61.96 | €70.43 |
| 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 |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Display Type | Color LCD | LCD | LCD | Touchscreen | ||
| Power Source | Wired | Wired | Wired | Hardwired | Wired | Hardwired |
| Control Methods | Touchscreen, App | App, Voice | App, Voice | App, Touchscreen, Voice | App | Touchscreen |
| Smart Home Platform | Tuya | Google Home | Google Home | |||
| Voice Assistant Compatibility | Alexa | Alexa, Google Assistant | Alexa, Google Assistant | Alexa | ||
| Programmable Schedule | 7-Day | 7-Day | Weekly | |||
When this device makes sense
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