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‎Emerson ‎Smart Thermostat ST75W, with Touchscreen Color Display

‎Emerson ‎Smart Thermostat ST75W feature
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‎Emerson ‎Smart Thermostat ST75W

‎Emerson ‎Smart Thermostat ST75W.


Sensi touch smart thermostats are made to provide you complete control over your home’s HVAC system while maximising energy efficiency and data privacy. Even if you weren’t aware of it, you already know our expertise because Emerson has over 100 years of HVAC experience. You can trust the product you hang on your wall knowing that Emerson manufactures many of the HVAC components that our smart thermostats regulate.

Customers may migrate to a Sensi smart thermostat, regardless of their level of comfort, thanks to our highly regarded mobile app and simple installation procedure. Additionally, you can always get assistance from our customer support team of HVAC specialists with any queries you may have.

* Please see for further details on compatibility, energy conservation, and privacy protection see below, under “Product Documentation.

‎Emerson ‎Smart Thermostat ST75W 4

Easy to installation
‎Emerson ‎Smart Thermostat ST75W 3

Regarding this product

  • Sensi won’t sell your personal information to any parties. *PRIVACY PROTECTION Sensi can assist with smart maintenance by sending vital use notifications, alerts concerning your equipment, and maintenance reminders like filter replacement to help you keep track of the effectiveness and operation of your HVAC system. BACKED BY HVAC EXPERIENCE: Sensi was developed using more than 100 years of HVAC system experience. Sensi is readily integrated into well-known smart home platforms including Samsung SmartThings, Google Assistant, Amazon Alexa, and Apple HomeKit.
  • ENERGY SAVINGS OF AROUND 23% FOR HVAC: With features like flexible scheduling, remote access, and use reporting, the ENERGY STAR-certified Sensi smart thermostat may assist you in saving energy.
  • Sensi can offer helpful consumption information, warnings concerning your equipment and maintenance reminders like filter replacement to help you manage the operation and efficiency of your HVAC system.
  • Sensi is readily integrated into well-known smart home platforms including Samsung SmartThings, Google Assistant, Amazon Alexa, and Apple HomeKit.
  • EASY DIY INSTALLATION: For a speedy installation, use the integrated level, lighted easy-click terminals, and step-by-step software instructions. uses the HVAC equipment that is common in homes. There must be a common wire (c-wire).

Create the timetable you wish

‎Emerson ‎Smart Thermostat ST75W 2


‎Emerson ‎Smart Thermostat ST75W 1

Important Note

Products with electrical plugs are made with American consumers in mind. Because outlets and voltage vary from country to country, this device might need an adapter or converter to be used where you are traveling. Before buying, kindly verify compatibility.

Technical specification


Guarantee and Support

You can get in touch with the manufacturer directly or find out more information on their website if you’d want a copy of the warranty for a product you saw on Amazon.com. Manufacturers’ warranties might not always be applicable, depending on things like how the product is used, where it was bought, and who sold it to you. Please carefully read the warranty, and if you have any problems, get in touch with the manufacturer.

Customer Reviews

CRISS Copenhagen
Just a quick update to say that the thermostat has been operating flawlessly for more than three weeks with no malfunctions, wifi disconnections, or any indications that there might be problems in the future. The interaction with Alexa is excellent and quick.

I’m happy with my decision about a new thermostat! (10 November) Update: My rating has been upgraded to 5 stars. The Support team emailed me and gave me a thorough explanation of the setup options found under advanced settings.

The Sensi had apparently been automatically configured for a different sort of furnace than the one I have; when I made the necessary adjustments, I was able to rejoin the Green (fan) line, and the device functions as intended.

Rick Denmark
I have struggled with a different thermostat brand on and off for the past eight months. I really wanted one with Wi-Fi so we could control and keep an eye on it from a distance. It was practically hard to monitor as we want with the other brand because it repeatedly refused to stay connected to my home network. I made the decision to give this Sensi model a try, and the experience has been very different.

Anyone who can use a few tools and comprehends the very simple wiring schemes should have no trouble mounting and installing the device. The C wire needed for this sort of thermostat is included in my air-to-air heat pump, so switching out the current one with a different one was not difficult.

Helene Aalborg
I did this installation by myself today. I snapped a photo of my old thermostat setup to share with you all. Except for the WiFi, everything took around 15 minutes. I used the app, which was a very helpful tool, and I did as it said. I can’t express how wonderful that is enough since every time I install a new thermostat, I get confused when the letters don’t match up perfectly.

That guesswork was eliminated for me by this program. I’m grateful, Emerson. The wifi was giving me trouble for a while because it indicated my password wasn’t valid. I discovered that the app or I was putting a space after the password. Just be mindful of that. This device is incredible.

jack Esbjerg
I must admit that when the weather was -28 degrees with a wind chill of -36 degrees, and I purchased this thermostat to replace the one at the lake house, I thought it was well worth the purchase. My furnace at the lake cottage broke down, and the thermostat performed precisely what it was meant to do by alerting me to the heat loss. We then sent a technician to check on the heat and discovered that the furnace was broken and in need of repair. I can state that without this thermostat, my pipes may have frozen and I might have had a disaster.


Can an Emerson ‎Smart Thermostat ST75W be operated without WiFi?
Yes, Emerson ‎Smart Thermostat ST75W is built to maintain temperature management even if your Wi-Fi connection is lost. Sensi will continue with the ongoing schedule if you are running one when you lose internet access.

Is it possible to lock the Emerson ‎Smart Thermostat ST75W?
Emerson ‎Smart Thermostat ST75W contains a lockout option that enables users to disable the thermostat’s controls while maintaining complete control over the Emerson ‎Smart Thermostat ST75W through the Sensi mobile app. The Sensi app is the only way to lock or unlock several thermostats independently if you need to.

Can a smart Emerson ‎Smart Thermostat ST75W be controlled manually?
In the same way that conventional thermostats are hardwired, smart thermostats likewise require a Wi-Fi connection in order to function remotely. A smart thermostat may be manually controlled just like a standard thermostat even if your Wi-Fi is down.

How long do Sensi Emerson ‎Smart Thermostat ST75W batteries last?
The Sensi doesn’t require a separate power line because it operates on two AA batteries. The batteries should last for more than a year, and the Sensi display features a battery-level icon.

A Sensi Emerson ‎Smart Thermostat ST75W may be controlled by two individuals.
One Sensi account may only have one registered thermostat. Simply give your Sensi account email address and password to the person you want to be able to control your Emerson ‎Smart Thermostat ST75W. They can download the app on their phone and log in using the supplied information.

What does the Emerson ‎Smart Thermostat ST75W hold button do?
Bypassing the routine and holding the temperature permanently is the Permanent Temperature Hold feature. Once, press the Hold button. “Hold” will appear on the display to the left of the temperature setting. To change the temperature you want, press or.

Why is the air blowing cold on my Sensi Emerson ‎Smart Thermostat ST75W?
Verify that the system is set to heat rather than cooling or being off. Additionally, make sure the fan is on auto rather than on. Whether the system is heating up or not, the fan will operate continually if you turn it on. If your thermostat is set properly, the furnace itself is probably the source of the issue.

When Wi-Fi is lost, what happens to the Emerson ‎Smart Thermostat ST75W?
The advanced functions of your smart thermostat will stop working if the Wi-Fi connection is lost, but it will still be able to regulate your home’s heating and cooling system. You won’t need to be concerned that the system is down.

Is maintaining a steady temperature on your Emerson ‎Smart Thermostat ST75W preferable?
Time, effort, and money are all saved. In conclusion, DON’T continuously adjust the thermostat when you are at home because it wastes money, and energy, and causes device failure. Don’t change the temperature of your home by turning the thermostat up or down; it won’t work.

Should I always have the Emerson ‎Smart Thermostat ST75W on?
In order to maintain the desired temperature in your home, your HVAC system must typically operate nonstop. Accordingly, your furnace or air conditioner might operate when you’re asleep, at work, or away from home. More energy is wasted doing this than you might save by leaving it running all the time.

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