Emerson ST25 Smart Thermostat: Save about 23% on HVAC energy
For the homeowner tired of high energy bills and complicated setups, the Sensi Lite Smart Thermostat simplifies climate control. While many focus on smart features, we emphasize data privacy—your comfort settings stay yours, never sold for ads, giving you true peace of mind.
Install it yourself in minutes with the built-in level and clear instructions, avoiding costly technician visits. The app lets you adjust temperatures remotely, so you can cool your home before arriving on a hot day. Geofencing and flexible scheduling cut HVAC energy use by about 23%, putting money back in your pocket. It works with Alexa for voice commands and fits most systems without a C-wire, making upgrade easy.
Features
- Control from anywhere with mobile app
- Easy DIY installation with built-in level
- Privacy protection with no data selling
- Works with Alexa and Wi-Fi
- Common wire not required on most systems
- Save about 23% on HVAC energy
General specs
- Brand: Emerson
- Model: ST25
- Seller: Amazon
- ID: B0BXZ6KXGG
- Connectivity: Wi-Fi
- Power Source: Wired
- Control Methods: App
- Programmable Schedule: Weekly
- Voice Assistant Compatibility: Alexa
- First listed by seller: 11/9/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
Russia
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Emerson ST25 Black Save about 23% on HVAC energy
|
Honeywell Home RENEWRTH8800WF/U White Energy Star certified for energy savings
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Emerson ST75W White Works with Alexa, Google Assistant, Apple HomeKit
|
Amazon S6ED3R White Works with Alexa and Ring
|
Emerson ST75 Black Save about 23% on HVAC energy
|
Smart Thermostat with C-Wire Adapter White On-the-go control via Alexa app
|
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| Brand | Emerson | Honeywell Home | Emerson | Amazon | Emerson | Amazon |
| Model | ST25 | RENEWRTH8800WF/U | ST75W | S6ED3R | ST75 | |
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| Price | $62.99 | $69.13 | $94.49 | $79.99 | $109.95 | $117.03 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | November 9, 2025 | November 9, 2025 | November 9, 2025 | November 9, 2025 | November 9, 2025 | November 9, 2025 |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Control Methods | App | Touchscreen, App | App, Voice | Touchscreen, App | App, Voice | |
| Voice Assistant Compatibility | Alexa | Alexa, Google Assistant | Alexa | Alexa | Alexa | |
| Smart Home Platform | Google Home | Google Home | Tuya | Google Home | ||