Smart thermostats have never been so easy! Give your family’s comfort a smart upgrade. With the Sensi Lite smart thermostat, it’s never been easier. It all starts with a quick and simple installation—no common wire required with most systems. Our top-rated mobile app lets you manage your home’s HVAC from anywhere, anytime. Plus, your usage activity and personal data stays private. That’s the power of putting Sensi’s over 100 years of HVAC experience on your wall.
Control from anywhere
The top-rated mobile app for Android and iOS devices makes it easy to control your comfort from a smartphone or tablet
Privacy Protection**
Sensi won’t sell your personal information to third parties or leverage your thermostat activity data for targeting or advertising purposes
Save about 23% on HVAC Energy***
ENERGY STAR-certified and packed with features that help you save money, including flexible scheduling, geofencing, remote access and usage reports
Easy DIY Installation
Do it yourself fast with a built-in level and simple step-by-step instructions. Works with the HVAC equipment found in most homes. No common wire (c-wire) required on most systems
Smart Maintenance
Sensi can help monitor the performance and efficiency of your HVAC system by delivering usage reports, alerts about your equipment, and maintenance reminders like filter replacement
Backed by HVAC Expertise
More than 100 years of experience with HVAC systems went into the development of Sensi
** PRIVACY PROTECTION: For full details, review the Sensi Privacy Policy under “Product Disclosures”
*** ENERGY SAVINGS: Calculated by comparing operation time for a nationwide example of Sensi users with temperature adjustments averages 4 degrees F vs. users with no adjustments. Savings vary based on equipment type/condition, insulation, climate temperature adjustment size/frequency
Specifications
Key Specs
- Color: Black
- App Compatible: Yes
- Compatible with 24V Cooling: Yes
- Compatible with 24V Heating: Yes
- Works With: Amazon Alexa, Google Assistant, SmartThings
- Voice Assistant Built-in: No
- Touch Screen: No
- Multi-Zone Control: Yes
- Auto-Away Mode: No
- ENERGY STAR Certified: Yes
General
- Brand: Emerson
- Model Number: ST25
- Product Name: Sensi Lite Smart Programmable Wi-Fi Thermostat-Works with Alexa
Dimensions
- Product Height: 3.13 inches
- Product Width: 5.07 inches
- Product Depth: 0.88 inches
- Product Weight: 0.3 pounds
Power
- Wire Configuration: C-wire, 3-Wire
- Power Source: Hard wired, Battery-powered
- Wire Terminals: Y (cooling), G (fan operation), C (common 24v power), W (heating), O (heat pump reversing valve), B (heat pump reversing valve), R (power), E (emergency heat)
- Rechargeable Battery: No
- Battery Size: AAA
- Number of Batteries Required: 2
- Number Of Batteries Included: 2
- Voltage Type: Low voltage
Compatibility
- Compatible Product(s): Air conditioners, Boilers, Furnaces, Heat pumps
- Wireless Connectivity: Wi-Fi, Radio Frequency (RF – 2.4 Ghz/Low Latency)
- Frequency Band: 2.4 GHz
- Operating System Compatibility: Android, Apple iOS
Features
- Programmable Period: 7 day
- 24-Hour Programming: Yes
- Timer: No
- Backlit: No
- Date/Time Display: No
- Remote Sensor Capable: No
- Outdoor Weather Sensor: No
- Periods Per Programmable Day: 8
- Detector Type: Temperature, Humidity
- Energy Usage and History: Yes
- Furnace Filter Change Indicator: Yes
- Keypad Lock: Yes
Warranty
- Warranty – Parts: 3 Years
- Warranty – Labor: 0 Years
Specifications
- UPC: 786710568732
