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persian_mafia | Staff 21.9K Views
Jun 1, 2023 4:55 PM

Emerson Sensi Wi-Fi Smart Thermostat

$60

$130

53% off
+ Free Shippingat Amazon
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Deal Details
Amazon has Emerson Sensi Wi-Fi Smart Thermostat (ST55) for $59.60. Shipping is free.

Thanks to Deal Editor persian_mafia for posting this deal.

Key Features:
  • ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports
  • Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications
  • Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement
  • Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you don't have to patch and paint your walls

Editor's Notes

Written by StrawMan86 | Staff
  • About this product:
    • 4.5 out of 5 stars rating at Amazon based on over 19,100 customer reviews
  • About this store:
  • Please refer to the forum thread for additional details & discussion.

Original Post

Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has Emerson Sensi Wi-Fi Smart Thermostat (ST55) for $59.60. Shipping is free.

Thanks to Deal Editor persian_mafia for posting this deal.

Key Features:
  • ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports
  • Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications
  • Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement
  • Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you don't have to patch and paint your walls

Editor's Notes

Written by StrawMan86 | Staff
  • About this product:
    • 4.5 out of 5 stars rating at Amazon based on over 19,100 customer reviews
  • About this store:
  • Please refer to the forum thread for additional details & discussion.

Original Post

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86 Comments

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Jun 1, 2023 7:56 PM
1.7K Comments
Joined Feb 2010
DallasGGJun 1, 2023 7:56 PM
1.7K Comments

Our community has rated this post as helpful. If you agree, why not thank

I have this thermostat....works well with Alexa for me. Smilie
1
Jun 1, 2023 10:22 PM
84 Comments
Joined May 2016

This comment has been rated as unhelpful by Slickdeals users.

Jun 1, 2023 10:38 PM
110 Comments
Joined Dec 2007
TorakJun 1, 2023 10:38 PM
110 Comments

Our community has rated this post as helpful. If you agree, why not thank

I've been using one of these in my home for 7 years and installed one in my mother in law's shortly after getting mine. They are no frills and great to use and minimal battery replacement on my part. Also works well with Alexa.
1
Jun 1, 2023 10:53 PM
1.2K Comments
Joined Dec 2006
irod87Jun 1, 2023 10:53 PM
1.2K Comments
Had one of these. Works great for basic wifi connectivity.
Jun 1, 2023 10:58 PM
498 Comments
Joined Apr 2006
TheStig540Jun 1, 2023 10:58 PM
498 Comments
I enjoy mine. Check with your electric company, a lot of them have rebates. I got mine for a lot less.
Jun 1, 2023 11:22 PM
1.6K Comments
Joined Jan 2011
TollerJun 1, 2023 11:22 PM
1.6K Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from BlueB9 View quoted comment :
Looks like this is operated by battery only.
I've had one for 1.5 years. I have a C wire, but wasn't sure how to hook it up, so I didn't bother. The battery says it still has a full charge. So no, it is not battery only, but it runs just fine on only the battery.
2
Jun 1, 2023 11:33 PM
770 Comments
Joined Jul 2007
onlycashJun 1, 2023 11:33 PM
770 Comments
Quote from Toller View quoted comment :
I've had one for 1.5 years. I have a C wire, but wasn't sure how to hook it up, so I didn't bother. The battery says it still has a full charge. So no, it is not battery only, but it runs just fine on only the battery.

Are you sure you didn't hook up the C wire?


I have several of these and if you're using the WIFI chip the battery probably won't last a year and a half. WIFI uses a lot of power because it's always running.


.
1

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Pro
Jun 1, 2023 11:36 PM
339 Comments
Joined Nov 2015
TomB4719
Pro
Jun 1, 2023 11:36 PM
339 Comments
Quote from onlycash View quoted comment :
Are you sure you didn't hook up the C wire?


I have several of these and if you're using the WIFI chip the battery probably won't last a year and a half. WIFI uses a lot of power because it's always running.


.
I replace the battery every 6 months with a lithium battery. I have the same themostat and it could be free with your electricity provider
Jun 2, 2023 12:04 AM
770 Comments
Joined Jul 2007
onlycashJun 2, 2023 12:04 AM
770 Comments
Quote from TomB4719 View quoted comment :
I replace the battery every 6 months with a lithium battery. I have the same themostat and it could be free with your electricity provider

That sounds reasonable.

I don't believe two AA alkaline batteries would last anywhere near that long.


.
Jun 2, 2023 12:19 AM
10.5K Comments
Joined Nov 2013
AdelleyJun 2, 2023 12:19 AM
10.5K Comments
Dang, St55u is the one my electric company offer rebates for. This is the non-U
Jun 2, 2023 12:23 AM
377 Comments
Joined Jul 2008
Dilz142Jun 2, 2023 12:23 AM
377 Comments
good price but always check your local utility programs.. these are usually free or $5
Jun 2, 2023 12:24 AM
6K Comments
Joined Jan 2008

This comment has been rated as unhelpful by Slickdeals users.

Jun 2, 2023 12:24 AM
837 Comments
Joined Sep 2016
frozenthornJun 2, 2023 12:24 AM
837 Comments
Quote from BlueB9 View quoted comment :
Looks like this is operated by battery only.
Battery or C-wire but if you plan to use the wifi you'll want the C-wire hooked up.
Jun 2, 2023 12:36 AM
1.7K Comments
Joined Feb 2010
DallasGGJun 2, 2023 12:36 AM
1.7K Comments
Quote from BlueB9 View quoted comment :
Looks like this is operated by battery only.
On mine, the battery is for backup. My batteries are not rechargeable and I think I've replaced them and I've had this thermostat for several years already. I have it hooked up to the electricity for the thermostat.

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Jun 2, 2023 12:42 AM
1.4K Comments
Joined Mar 2008
BUYmeTHISJun 2, 2023 12:42 AM
1.4K Comments
Quote from BlueB9 View quoted comment :
Looks like this is operated by battery only.
Incorrect, it comes with batteries as a back up, but is powered by HVAC

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