Sensi Support
Search all Sensi support topics, articles and answers to your most frequently asked questions.
Search all Sensi support topics, articles and answers to your most frequently asked questions.
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| Account Management |
Managing your Sensi account |
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| Before You Buy |
Sensi compatibility and specifications |
| Installation |
Gathering necessary information and tools for installation |
| Operation | |
| Wiring | |
| Troubleshooting |
Troubleshooting HVAC issues |
Why am I having trouble connecting or why have I lost connection to Wi-Fi?
Are you receiving a "Thermostat is offline" error message while opening your Sensi app or cannot connect your Sensi Thermostat to Wi-Fi? This article will help you re-establish a connection.
I updated my Wi-Fi. How do I reconnect my Sensi thermostat?
If you replaced your router, changed or updated your Wi-Fi network, you’ll need to reconnect your Sensi thermostat to Wi-Fi. This article will walk you through reconnecting to your network.
Why is there an "X" or an "X" and "Wi-Fi icon" on my thermostat?
This means that your Sensi thermostat is either not connecting to your home wireless network, or not communicating with the Sensi cloud servers. This article will help you troubleshoot this issue.
How do I wire my Sensi thermostat?
This article will guide you on how to correctly wire and configure your thermostat for your heating and cooling equipment.
Why did my usage report indicate "Insufficient Data to report system usage"?
Read why you may have received this error.
What if my Sensi thermostat is already registered?
Steps to unregister your thermostat from an existing/old account.
Will Sensi thermostats work with my system?
Sensi thermostats work with most HVAC systems. Please see full compatibility chart.
Why isn't my cooling turning on?
If you’ve installed the Sensi thermostat and now find that your cooling does not turn on, proceed through the following steps until the issue is resolved.
What is a common wire?
This article explains what a common wire or c wire is, and how you would know if you have or need one.
Why isn't my heating turning on?
If you’ve installed the Sensi thermostat and now find that your heating does not turn on, proceed through the following steps until the issue is resolved.
Why do I get the message "iCloud data sync in progress" when installing?
You may encounter this message if your Sensi is compatible with Apple HomeKit. This article will explain what happens when this message shows, and how to connect your thermostat to HomeKit
How do I set a schedule for my thermostat?
Programming a customized schedule for your Sensi thermostat can be completed in minutes. Find out how to program your thermostat here.
Discover how to reconnect your Sensi thermostat
Steps to reset your Sensi thermostat
Learn how to manage your account's password
How do I know if I need a C Wire?
Alexa, Google Assistant, Apple HomeKit and SmartThings assistance
Popular wiring articles
Step-by-step process to schedule your Sensi thermostat
How to update Wi-Fi for your Sensi thermostat
Guide on where to find your thermostat's model number, serial number or MAC ID
Steps to register your Sensi thermostat
Ideal humidity ranges for perfect comfort
Steps to unregister your Sensi thermostat
Find all installation-related Sensi articles
Learn how to lock or unlock your thermostat
Find your Sensi Smart or Sensi Touch Smart product manuals
Steps to replace your thermostat's battery
Troubleshooting your thermostat when you see a "provisioning error" message
Guide on returning thermostats.
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