Name: Copeland - Sensi Smart Programmable Wi-Fi Thermostat- Works with Alexa - White
Brand: Copeland
SKU: 6286375
Rating: 4.6 (80 reviews)

Key Specs
- App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
- Compatible with 24V Cooling: true (Works with low-voltage (24 volts AC) cooling equipment.)
- Compatible with 24V Heating: true (Works with low-voltage (24 volts AC) heating equipment.)
- Works With: Amazon Alexa, Google Home, SmartThings, Wink (Compatible with or able to be connected to other smart devices or applications.)
- Touch Screen: false (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
- Auto-Away Mode: true (Thermostats with this feature can automatically adjust heating or cooling to predetermined settings when the area is empty in order to conserve energy.)
- ENERGY STAR Certified: true (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
General
- Brand: Copeland
- Model Number: ST55
- Product Name: Sensi Smart Programmable Wi-Fi Thermostat- Works with Alexa
- Color: White
Dimensions
- Product Height: 3.75 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 5.88 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 1 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 0.55 pounds (The out of box weight of the item.)
Power
- Wire Configuration: 3-Wire, C-wire
- Power Source: Hard wired, Battery-powered
- Wire Terminals: RC (cooling power), RH (heating power), G (fan operation), C (common 24v power), Y (cooling), Y2 (cooling stage 2), W (heating), E (emergency heat), W2 (heating stage 2), O (heat pump reversing valve), B (heat pump reversing valve) (The available connections on the device for wiring other devices to it. These are often abbreviated or coded due to the space available on the device.)
- Rechargeable Battery: false
- Battery Size: AA (The battery size required for operation.)
- Number of Batteries Required: 2
- Number Of Batteries Included: 2
- Voltage Type: Low voltage (The kind of voltage used by the device.)
Compatibility
- App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
- Compatible Product(s): Furnaces, Air conditioners, Heat pumps, Boilers
- Compatible with 24V Cooling: true (Works with low-voltage (24 volts AC) cooling equipment.)
- Compatible with 24V Heating: true (Works with low-voltage (24 volts AC) heating equipment.)
- Wireless Connectivity: Wi-Fi (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Frequency Band: 2.4 GHz (Bands may be grouped into categories such as low- and high-band VHF (Very High Frequency), low- and high-band UHF (Ultra High Frequency), or certain frequency channels (measured in MHz or GHz). Generally, higher frequencies transmit information faster but have shorter range than lower frequencies.)
- Operating System Compatibility: Apple iOS, Apple iPadOS, Android
- Works With: Amazon Alexa, Google Home, SmartThings, Wink (Compatible with or able to be connected to other smart devices or applications.)
Features
- Programmable Period: 7 day, 24 hour, 5-1-1 day, 5-2 day
- 24-Hour Programming: true (Users can configure various temperature settings for different times of the day over a 24-hour period.)
- Touch Screen: false (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
- Auto-Away Mode: true (Thermostats with this feature can automatically adjust heating or cooling to predetermined settings when the area is empty in order to conserve energy.)
- Backlit: true
- Date/Time Display: true
- Remote Sensor Capable: false (Indicates whether the thermostat is compatible with remote sensors. This capability allows for the connection of multiple sensors in order to collect temperature data from several locations in a zone for an overall assessment of the temperature needs.)
- Periods Per Programmable Day: 8 (Thermostats with programmable days allow users to set desired temperatures for different days of the week. With multiple programmable periods per day, users can further customize the device to schedule temperatures for different times of day based on occupancy, schedule, etc.)
- Detector Type: Temperature, Humidity
- Energy Usage and History: true
- Furnace Filter Change Indicator: true
- Keypad Lock: true
Certifications Listings & Approvals
- ENERGY STAR Certified: true (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
Warranty
- Warranty - Parts: 3 years
- Warranty - Labor: Not applicable
Other
- UPC: 786710554827

From across the room or across the country, Sensi makes it easy for you to remotely control and schedule your home comfort - Anytime. Anywhere.

Privacy Protection*: Sensi won’t sell your personal information to third parties.
Easy DIY Installation: 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.
Save About 23% on HVAC Energy**: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports.
Simple Configuration: 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.
Smart Maintenance: 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.
Backed by HVAC Expertise: More than 100 years of experience with HVAC systems went into the development of Sensi.
Privacy Policy Disclaimer: *For full details, review the Sensi Privacy Policy below. Note: if you sign up for a program with a third party, details and terms for that program are between you and the third party, not Emerson. Certain optional add-on services require additional data to operate as intended.
Energy Savings Disclaimer: **Calculated by comparing operation time for a nationwide sample of Sensi users with temperature adjustments averaging 4°F in comparison to users with no adjustments. Savings vary based on equipment type/condition, insulation, climate, and temperature adjustment size/frequency.
Privacy Protection*: Sensi won’t sell your personal information to third parties.
Easy DIY Installation: 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.
Save About 23% on HVAC Energy**: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports.
Simple Configuration: 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.
Smart Maintenance: 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.
Backed by HVAC Expertise: More than 100 years of experience with HVAC systems went into the development of Sensi.
Privacy Policy Disclaimer: *For full details, review the Sensi Privacy Policy below. Note: if you sign up for a program with a third party, details and terms for that program are between you and the third party, not Emerson. Certain optional add-on services require additional data to operate as intended.
Energy Savings Disclaimer: **Calculated by comparing operation time for a nationwide sample of Sensi users with temperature adjustments averaging 4°F in comparison to users with no adjustments. Savings vary based on equipment type/condition, insulation, climate, and temperature adjustment size/frequency.