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Emerson ST55U Sensi Wi-fi Smart Home Thermostat New Open Box - Picture 1 of 9
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Emerson ST55U Sensi Wi-fi Smart Home Thermostat New Open Box

Condition:
Open box
Price:
US $39.99
ApproximatelyC $54.52
Breathe easy. Returns accepted.
Fast and reliable. Ships from United States.
Shipping:
US $10.80 (approx C $14.73) Standard Shipping. See detailsfor shipping
Located in: North Brookfield, Massachusetts, United States
Delivery:
Estimated between Sat, Jun 1 and Tue, Jun 4 to 43230
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Buyer pays for return shipping. See details- for more information about returns
Payments:
     

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Seller information

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eBay item number:176309521701

Item specifics

Condition
Open box: An item in excellent, new condition with no wear. The item may be missing the original ...
Power Source
Battery, Corded Electric
Year Manufactured
2019
MPN
ST55U
Compatible Product
Universal
Battery Size
AA
Smart Home Compatibility
Apple HomeKit, Google Assistant, Amazon Alexa, Samsung SmartThings
Control Style
Push Button
Voltage
24 V
Thermostat Programmable Days
7- Day
Color
White
Material
Plastic
Thermostat Shape
Rectangular
Mounting
Wall-Mounted
Brand
Emerson
Sensor Technology
Temperature
Voltage Type
Low Voltage
Type
12Au7
Model
Sensi ST55U
System Switching
Auto
Connectivity
Wi-Fi
Country/Region of Manufacture
Mexico
Smart Home Protocol
Bluetooth/Bluetooth Low Energy (BLE)
Programmability
Programmable

Item description from the seller

Redsoxfever99

Redsoxfever99

100% positive feedback
4.9K items sold
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Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable shipping cost
4.8
Shipping speed
5.0
Communication
5.0

Seller feedback (1,649)

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Past 6 months
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Candamar Puppy Under the Tree Christmas Dog Needlepoint 1985 Stocking Kit 30454 (#175148140462)
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Product ratings and reviews

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4.5
28 product ratings
  • 21 users rated this 5 out of 5 stars
  • 4 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 2 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 25 reviews
  • by coulterc
    Jan 29, 2020Top favourable review

    Ok and budget choice

    I had an American standard thermostat, made by the same company obviously, as the sensei wifi stat was exactly the same base etc. I snapped it in place with the old base, took a minute to install. The features of the app are ok, but some are reserved for the website that your have to pay for, which is annoying.

    Verified purchase: YesCondition: NewSold by: j2_enterprises

  • by ajs1971
    Feb 10, 2021Top critical review

    Not worth it for me.

    Was VERY hard to get it to connect to WiFi and instructions were ZERO help. Had to search and seach online and on YouTube. A one hour install turned into about 8-9 hrs over 2 days. I don't use my thermostat much and when you put it in off position, you can't use Alexa to turn the unit on. If it's on, you can raise or lower the temperature and that's it. So, I'll be using it manually all the time and I could have gotten a different thermostat for that for half the price.

    Verified purchase: YesCondition: NewSold by: onwaldenpond

  • by robertstinauer
    Sep 06, 2021

    The best WiFi thermostat for simplicity and value!

    I have installed 3 Sensi WiFi thermostats so far and this one I purchased on EBay will make #4. I also have an Icomfort and Nest that I use as well for my home and rental properties. I also tried to install a Honeywell but I had to take it back. I do have considerable experience with using these. Very simple to install and hook up to your internet. The App screen shows me 3 units at a time. One rental house has two HVAC units and two thermostats so this is valuable to check. The biggest bonus is all WiFi thermostats measure the humidity in the house. Anything over 70% causes mold and this Sensi software allows for humidity settings to run the air or heat automatically to decrease it. It even sends me an email when the humidity exceeds 70%. This Sensi unit also keeps track of the ...

    Verified purchase: YesCondition: NewSold by: spcctoys

  • by afish49
    Nov 30, 2021

    WIFI integrated thermostat that does not require a "C" wire

    One of the few thermostats that will hook up to wifi that does not need a "C" wire. I go away for the winter and will be able to check my home to make sure the furnace is working and adjust the temperature. I can set a schedule for each day of the week with up to four events during each day or I can let it sense that I am home, probably through my phone app, and if I am not it will set the temp down three degrees and raise it back up when I get back home. I wish that I could use both of these together because I set the temperature down at night. it does it without fail. It also keeps my temp at the set point. It does not go down two or three degrees and then come back up to set temp. I have had a couple of different electronic set back thermostats before but this is much easier to ...

    Verified purchase: YesCondition: NewSold by: sure.bean

  • by bjgalliano
    Jul 27, 2021

    Thanks again for an excellent product and easy to install

    We found your thermostat to be entirely simple to install especially after having some experience with a Google thermostat that was a monster to do anything with. It sounded simple with all the squishing and pollen but yours is ideal it works beautifully we're so happy with it. The wireless works just beautiful I can check my temperature from anywhere from my cell phone within 1 mile or 3000 miles. Thanks again for an excellent product and easy to install

    Verified purchase: YesCondition: NewSold by: povertypointpicker

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