Lowest Price Found
$40.00
$129.99
at eBaySave $90
Price Comparison
Comparing 4 retailers for the best deal
Prices range $40.00–$78.99 — save up to $38.99 by choosing the right store.
Prices verified 3 days ago(Aug 22, 2026, 3:00 AM)
Product prices and availability are accurate as of Aug 22, 2026, 3:00 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
Technical Specifications
Product Details
BrandEmerson
ModelST55
UPC786710554827
EAN0786710554827
CategorySmart Thermostats
List Price (MSRP)$129.99
Frequently Asked Questions
What is the best price for Emerson Sensi Smart Thermostat?+
The lowest in-stock price right now is $40.00 at eBay. We compare 4 retailers every day so you always see the cheapest current price.
Where can I buy Emerson Sensi Smart Thermostat?+
Emerson Sensi Smart Thermostat is currently available at Amazon, Best Buy, Walmart, and eBay. Use the Price Comparison table above to jump straight to the cheapest listing.
Is Emerson Sensi Smart Thermostat on sale today?+
Yes — the current best price of $40.00 is $89.99 (69%) below the list price of $129.99.
You Might Also Like
Emerson
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"
$100.00
from 3 retailers
Sensi
Emerson Room Sensor-Compatible with Emerson Touch 2 Smart Thermostat
$39.99
from 2 retailers
22% OFF
meross
meross Smart Temperature Controller 15A 1800W, Smart Wi-Fi Thermostat Controlled Outlet Plug Works with Apple Home, Alexa, Google Home for Heating Cooling Homebrew Fermentation Reptiles Greenhouse
$39.95$51
from 1 retailers
SENCKIT
Smart Thermostat Radiator Valve: Programmable Thermostatic Valve, Zigbee Thermostat for Temperature Adjustment, App Control, Tuya Zigbee Hub Required, Compatible with Alexa, Google Home (White)
$38.99
from 1 retailers
Price Comparison
Comparing 4 retailers for the best deal
eB
eBaySeller listings
In Stock
$40.00Buy at eBay
W
WalmartAt Walmart
In Stock
$78.99Buy at Walmart
A
AmazonAt Amazon
In Stock
BB
Best BuyAt Best Buy
Out of Stock
$85.99Out of Stock
Prices verified 3 days ago(Aug 22, 2026, 3:00 AM)
Product prices and availability are accurate as of Aug 22, 2026, 3:00 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
Spotted a lower price?
We refresh prices regularly, but retailers move fast. If you found this item cheaper somewhere we compare, let us know and we'll take a look.