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Item #:
36329917
Emerson Sensi ST55U Smart Wi-FI Thermostat White
89% of respondents would recommend this to a friend
Item #:
36329917
BTN 11697
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Wednesday, September 23
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SAVE ABOUT 23% ON HVAC ENERGY: The ENERGY STAR certified Sensi thermostat helps you save on your HVAC energy costs.
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What Stands Out
Smart Home Integration
Compatible with major smart home platforms, allowing seamless control through voice commands and mobile apps for enhanced convenience and energy management.
Energy Savings
Equipped with learning capabilities that optimize heating and cooling schedules, helping users reduce energy bills while maintaining comfort throughout the home.
User-Friendly Interface
Features a clear, easy-to-navigate touchscreen display that simplifies temperature adjustments and settings, making it accessible for all ages and tech levels.
Product Details
| Thermostat type | Smart Thermostat, Wi-Fi Thermostat |
| Features | Adjustable Chain |
| Smart control | Google Assistant, Apple HomeKit, SmartThings |
| Power type | Electric |
| Installation type | Screw-In |
| Control type | Digital |
| Display | Digital |
| Network hub type | Amazon Alexa; Google Assistant; Apple HomeKit (c-wire required); Samsung SmartThings |
| Brand | Emerson |
| Color | White |
| Style | Standard |
| Accessories | A c-wire |
| Has written warranty | No |
| Material | Plastic |
| Model | ST55U |
| Volts | 24 VAC |
| Count per pack | 1 |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Tech-Savvy Users
Ideal for those who enjoy smart home technology and want a thermostat they can control remotely via smartphones.
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Energy-Conscious Households
Perfect for users looking to optimize energy usage and reduce utility bills through efficient temperature scheduling.
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DIY Enthusiasts
Great for individuals who value easy installation and setup without professional assistance, ensuring a convenient user experience.
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Non-Tech Users
Not suitable for those uncomfortable with using mobile apps or smart features, preferring traditional thermostat controls.
Product Description
Emerson Sensi ST55U Smart Wi-FI Thermostat White
About This Item
Upgrade your home's temperature control with the Emerson Sensi ST55U Smart Wi-Fi Thermostat. This thermostat is designed to work with the wires you already have, making installation a breeze. No need for a common wire (c-wire) for most installations, this thermostat is compatible with the HVAC equipment in many homes in U.S.
Canada. It's even compatible with heat-only, cool-only, and heat pump systems that don't have an auxiliary system. The intuitive app makes installation a breeze, guiding you through each step with custom configured instructions. No more frustration or guesswork - the Sensi thermostat takes all the stress out of the installation process.
Once installed, you'll have complete control over your home's temperature from anywhere with the app's remote access feature. Not only does the Emerson Sensi ST55U thermostat offer convenience, but it also helps you save energy and reduce your carbon footprint. With its energy-saving features, you can schedule temperature adjustments to optimize your heating and cooling system's efficiency. This smart thermostat is a perfect addition to any home automation system, allowing you to easily integrate it with other smart devices for a comprehensive smart home experience. Take control of your home's comfort and energy management with the Emerson Sensi ST55U Smart Wi-Fi Thermostat.
Upgrade today and start enjoying the convenience, energy efficiency, and savings it brings to your home.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Do I need a c-wire for installation?
Answer: A c-wire is only required for heat-only, cool-only, and heat pump systems, as well as for Apple HomeKit compatibility. -
Question:
How long does installation take?
Answer: Most installations can be completed in 30 minutes or less. -
Question:
Is the Sensi thermostat compatible with smart home systems?
Answer: Yes, it works with Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings.
Emerson Sensi Thermostats Editorial Review
The Emerson Sensi ST55U Smart Wi-Fi Thermostat has received overwhelmingly positive feedback from customers, highlighting its ease of installation, user-friendly app, and convenience in managing home temperatures. Users appreciate the intuitive setup process, which reportedly takes just minutes with basic household tools. The ability to program schedules and monitor energy Consumption directly from a smartphone has been a significant factor in users experiencing reduced energy bills, as they can ensure their heating and cooling systems operate only as needed. Customers specifically commend the remote access feature, which empowers them to control their home climate from anywhere, fostering greater comfort and flexibility. One particularly popular aspect of the Sensi is the option to lock the thermostat, preventing unintentional temperature changes by other household members, thus alleviating the common frustrations of shared heating and cooling management. Overall, the Sensi ST55U is lauded not only for its practicality but also for its effectiveness in enhancing control over home temperature settings, making it a highly recommended product among those seeking a smart thermostat solution. **
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Pros
- Quick and straightforward installation
- Intuitive smartphone app for remote control
- Ability to set schedules and monitor energy usage
- Features a lock function to prevent unauthorized changes
- Positive impact on energy bills
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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BTN 11697
Order now and get it around Wednesday, September 23
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Compatible with most HVAC systems without a c-wire.
- Intuitive app for easy installation and setup.
- Editors' Choice for Best Value Smart Thermostat.
- Energy savings of up to 23% on HVAC costs.
- Quick installation in 30 minutes or less.
- Works seamlessly with major smart home platforms.
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