How does the auto changeover work? can i set it to keep the temp between 65 and 74 degrees and it turns a/c and heat on as necessary?

Yes I wasn't sure how it would work. I have my account set to 78. AC came on when it go too hot. Hope this helps.

Hi. My old thermostat has the red wire connect to RH which then jumps to RC. With the Sensi lite, do I just attached the red wire to R? Thank you.

Sensi claims there is an internal jumper which means you only have to connect the red wire which now goes to RH. However, I had to pigtail the red wire and connect to both RH and RC

Will this thermostat work on a split unit meaning natural gas heat

It works on my natural gas central unit (if you need emergency heat then no this touch lite will not work for you)

Does this have a child lock?

Yes, it’s called Lock Thermostat Display. It’s located in the system settings.

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Sensi Lite Smart Thermostat, Programmable, WiFi, Easy DIY, Works With Alexa, ENERGY STAR Certified, ST25, Most Systems C-Wire Not Required, C-Wire needed with Heat/Cool Only & Heat Pump System – Black

Product ID: 522936134

Details

Brand
Sensi
Controller Type
Amazon Alexa
Model Name
Sensi Lite
Product Dimensions
0.88"D x x
Special Feature
Data Privacy

⚡Save 23% energy

📱Control from anywhere

🔧DIY install w/ no C-wire

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Description

🔥 Upgrade your comfort, save energy, and stay connected—smart living made simple! 📲

SMART SAVINGS MODE - ENERGY STAR certified to slash your HVAC energy bills by up to 23%.
EFFORTLESS DIY SETUP - Built-in level & step-by-step guide get you up and running in 15 mins—no pro needed.
PRIVACY FIRST DESIGN - Your data stays yours—no selling or ad targeting, guaranteed.
SEAMLESS REMOTE CONTROL - Top-rated app lets you adjust temps from anywhere, whether at work or away.
UNIVERSAL COMPATIBILITY - Works with most HVAC systems and Alexa for voice control—future-proof your comfort.

The Sensi Lite Smart Thermostat ST25 offers easy DIY installation with no common wire needed for most systems, ENERGY STAR certification for up to 23% HVAC energy savings, and seamless WiFi control via a top-rated mobile app. Compatible with Alexa and major smart home platforms, it prioritizes user privacy and delivers accurate temperature control with a large, easy-to-read display—all backed by 100+ years of HVAC expertise.

Specifications

ASIN	B0BXZ6KXGG
Additional Features	Data Privacy, Easy DIY Install, Energy Savings, Programmable
Backlight	Yes
Best Sellers Rank	#4,934 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #12 in Home Programmable Thermostats
Brand Name	Sensi
Color	Black
Connectivity Protocol	Wi-Fi
Connectivity Technology	Wi-Fi
Control Method	App, Touch, Voice
Control Type	App Control
Controller Type	Amazon Alexa, Google Assistant, Hand Control, SmartThings
Customer Reviews	4.1 4.1 out of 5 stars (2,172)
Display Type	LCD
Finish Types	Simple
Included Components	(2) AAA Batteries, Installation Guide, Mounting Hardware, Sensi Lite Smart Thermostat, Wire Labels
Item Dimensions D x W x H	0.88"D x 5.07"W x 3.13"H
Item Type Name	Smart Programmable Thermostat
Item Weight	4.8 ounces
Manufacturer	Copeland
Manufacturer Part Number	ST25
Manufacturer Warranty Description	3 years.
Model Name	Sensi Lite
Model Number	ST25
Mounting Type	Wall Mount
Number of Batteries	2 AAA batteries required. (included)
Power Source	Battery or C-wire
Product Style	Simple
Shape	Rectangular
Smart Home Compatibility	Smart Home Compatible
Specific Uses For Product	Air Conditioner, Boiler, Furnace, Heat Pump
Specification Met	Energy Star
Temperature Control Type	Automatic or Programmable
UPC	786710568732
Unit Count	1.0 Count
Voltage	24 Volts

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44712 Ft

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In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

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