Emerson
0 ratings
Emerson Sensi St55u Smart Wi-Fi Thermostat, White
genuine image
Emerson Sensi St55u Smart Wi-Fi Thermostat, White
Save about 23% on HVAC energy with the ENERGY STAR certified Sensi thermostat
Emerson Sensi St55u Smart Wi-Fi Thermostat, White
Item #: 70841825

Emerson Sensi St55u Smart Wi-Fi Thermostat, White

90% of respondents would recommend this to a friend

Item #: 70841825

AUD 209

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Saturday, October 03
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Save about 23% on HVAC energy with the ENERGY STAR certified Sensi thermostat
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Smart Thermostat
Easily control your home's temperature remotely via smartphone app, enhancing convenience and providing energy savings from anywhere.
Energy Usage Reports
Gain insights on energy consumption patterns to optimize heating and cooling, helping to reduce utility bills while ensuring comfort.
Voice Control
Compatible with Alexa and Google Assistant, allowing hands-free operation for seamless integration into smart home ecosystems.

Product Details

Get the Emerson Sensi ST55U Smart Thermostat at the best price. Control your home temperature with this WiFi-enabled thermostat. Shop now on Ubuy Nauru.
  • ENERGY STAR certified to help save about 23% on HVAC energy costs
  • Features geofencing, 7-day flexible scheduling, remote access, and in-app system usage
  • Quick installation in 30 minutes or less with built-in level and step-by-step app instructions
  • Standard thermostat size eliminates extra work of painting or patching the wall

Who Should Buy?

Suitable For
  • Tech-savvy Homeowners

    Ideal for users who enjoy smart home integration, allowing control via smartphone or voice commands.

  • Energy-Conscious Users

    Helps reduce energy costs with features like scheduling and energy usage reports for efficiency.

  • Remote Workers

    Perfect for individuals working from home, enabling temperature adjustments from anywhere for comfort.

Not Suitable For
  • Non-Tech Savvy Users

    May overwhelm users not familiar with smart devices, as setup and features require basic tech knowledge.

Product Description

Emerson Sensi St55u Smart Wi-Fi Thermostat, White

About This Item

Upgrade your home's energy efficiency with the Emerson Sensi ST55u Smart Wi-Fi Thermostat in white. This sleek and modern thermostat allows you to control and schedule your heating and cooling system from anywhere using your smartphone or tablet. With its easy-to-use app, you can set your desired temperature, adjust the schedule, and monitor energy usage all from the palm of your hand. The Sensi ST55u also works with popular smart home platforms like Amazon Alexa and Google Assistant, so you can control your thermostat using just your voice. By using the Emerson Sensi ST55u, you can save up to 23% on your energy bills each year.

Its built-in geofencing technology detects when you're away from home and automatically adjusts the temperature to save energy. Plus, it sends you real-time alerts and reminders for things like filter changes and extreme temperature warnings, so you can keep your home comfortable and efficient. Installation is a breeze with the step-by-step instructions and compatibility checker in the Sensi app. The ST55u works with most heating and cooling systems, including gas, oil, electric, and radiant heat.

And with its simple, clean design, it blends seamlessly into any home decor. Don't settle for a basic thermostat that only offers basic control. Upgrade to the Emerson Sensi ST55u Smart Wi-Fi Thermostat and enjoy the convenience, energy savings, and peace of mind it brings. Take control of your home's climate and start saving money today. Key Features: - Smart Wi-Fi thermostat with easy-to-use app control - Works with Amazon Alexa, Google Assistant, and more - Save up to 23% on energy bills - Built-in geofencing for energy-saving automation - Real-time alerts and reminders - Compatible with most heating and cooling systems - Step-by-step installation instructions included - Sleek and modern design to complement any home decor.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: How does the Sensi thermostat help save energy?

    Answer: The Sensi ST55U empowers users to save energy through its scheduling feature, allowing you to program heating and cooling according to your routine. By adjusting the temperature when you're away or asleep, you can significantly reduce energy consumption without sacrificing comfort. Additionally, the app provides insights into your energy usage patterns, enabling informed decisions for further savings. For example, you can program it to lower the temperature at night, ensuring you sleep comfortably and save on energy bills.
  • Question: Can the Emerson Sensi ST55U be controlled remotely?

    Answer: Yes, the Emerson Sensi ST55U can be controlled from anywhere using the Sensi mobile app available on iOS and Android devices. This feature is particularly useful for busy individuals who want to adjust their home's temperature before they arrive. For instance, you can warm up your home during the winter about 30 minutes before you return, ensuring a cozy environment as soon as you walk in the door. The app also allows for remote monitoring, providing peace of mind.
  • Question: What HVAC systems are compatible with the Sensi ST55U?

    Answer: The Emerson Sensi ST55U is designed to work with a wide range of HVAC systems, including gas, electric, oil, and multi-stage systems. It also supports conventional and heat pump systems, making it a versatile choice for many households. Before purchasing, ensure compatibility by checking the wiring of your existing thermostat. This flexibility allows homeowners with varying systems to enjoy the benefits of smart temperature control.
  • Question: How does the installation process of the Sensi ST55U work?

    Answer: Installing the Emerson Sensi ST55U thermostat is straightforward, as it comes with step-by-step instructions and a user-friendly App that guides you through the process. Most users can complete the installation within 30 minutes. It requires basic tools and knowledge of your HVAC wiring. For added assistance, the app includes video tutorials, making it accessible for those with limited technical skills. Once set up, users can start enjoying the smart features immediately.
  • Question: What are the benefits of having a Wi-Fi thermostat?

    Answer: A Wi-Fi thermostat like the Emerson Sensi ST55U offers numerous benefits, including remote control access, energy usage monitoring, and customizable scheduling. This connectivity allows homeowners to optimize their heating and cooling needs in real-time, resulting in cost savings and enhanced comfort. For example, if you have an unexpected change in schedule, simply adjust the temperature from your phone rather than returning home to a less-than-ideal environment.
  • Question: Does the Sensi ST55U offer any smart alerts?

    Answer: Yes, the Sensi ST55U provides smart alerts to notify users about temperature changes, system malfunctions, and filter replacement reminders. These alerts help ensure your HVAC system operates efficiently, extending its lifespan and maintaining home comfort. For instance, if your HVAC system is running excessively, you'll receive an alert to check for potential issues, allowing you to act promptly before problems escalate.
  • Question: What makes the Sensi ST55U stand out from other smart thermostats?

    Answer: The Emerson Sensi ST55U stands out due to its affordability, ease of use, and compatibility with various HVAC systems. Unlike many other smart thermostats, it doesn’t require a C-wire for installation in most applications, which can be a barrier for some. Additionally, the robust mobile app offers insights and control features typically found in higher-priced models. This combination makes Sensi an attractive option for budget-conscious consumers seeking reliable smart home solutions.
  • Question: Where can I buy the Emerson Sensi ST55U Smart Wi-Fi Thermostat?

    Answer: You can buy the Emerson Sensi ST55U Smart Wi-Fi Thermostat in Nauru from Ubuy. Ubuy provides a reliable platform to purchase this smart thermostat, ensuring a convenient shopping experience with a variety of shipping options.

Emerson Programmable Editorial Review

Emerson Sensi St55u Smart Wi-Fi Thermostat, White is a modern and energy-efficient programmable thermostat that boasts Wi-Fi connectivity and easy app control. Users appreciate its consistent app platform and reliability. However, some have reported issues with Wi-Fi connectivity, leading to inefficient temperature regulation, especially after power failures. The power source is hardwired, and it requires one AAA battery for operation. This product's sleek design and energy-saving features make it suitable for a variety of heating systems, but potential buyers should consider the feedback regarding app performance and connectivity reliability for optimal functionality.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    0%
  • 4 Star
    100%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Easy to use with a reliable app platform
  • Lighted display for easy reading
  • Compatible with boiler systems
  • Energy Star certified for efficiency
  • Voice control for added convenience

Cons

  • Requires a common wire for optimal performance

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“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
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“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
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • 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.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

AUD 209

Order now and get it around Saturday, October 03

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • ENERGY STAR certified, helps save on HVAC energy costs
  • Features: geofencing, 7-day flexible scheduling, remote access and in-app system usage
  • Most install in 30 minutes or less, built-in level and step-by-step app instructions for quick installation
  • Standard thermostat size eliminates extra wall painting or patching

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.