How do I wire my thermostat?
Download the Sensi app on your smart phone or tablet for easy, step-by-step installation instructions. Learn more by downloading the Sensi Installation Guide which walks you through wiring and connect…
Installation 38 Articles
How do I install the base to my new Sensi thermostat?
To begin, pull the labeled wires from the wall through the center opening on the Sensi base.Next, use the provided screws and anchors to secure the thermostat base to the wall. We designed the Sensi…
How do I use the wire picker in the Sensi mobile app?
To begin, look at the wires attached to your old thermostat base. Each wire should have a corresponding letter on the base. On your Sensi app, select each letter that corresponds to a connected wire o…
When I use the wire picker in the Sensi mobile app, what if my wire is not listed or my configuration is invalid?
If one or more of your wires is not listed or your configuration remains invalid after taking a second look, please contact our support team for additional assistance. The support team is available se…
My current thermostat has two separate wire terminal labels. What terminals should I select in the Sensi app?
Depending on the brand and functionality of your current thermostat, you may find two sets of wire terminal labels when you remove your existing face plate. Many thermostats are designed to control di…
I downloaded the Sensi mobile app and I’m ready to install. What’s next?
To get started, open the Sensi app on your smart device and follow the prompts to create an account.
I have an Apple iPhone. How do I get the Sensi mobile app?
Search for “Sensi” in the Apple App Store and download the app to your phone. The app is free to download and update.Apple iPhones, iPads and iPod Touches require iOS 10.0 or later and can be downlo…
Which internet browsers are compatible with the Sensi Wi-Fi Thermostat?
See a list of our compatible web browsers:Note: Mobile web browsers are not compatible.
How do I turn off power to my HVAC?
First, look for a switch located on or near your furnace. Location of the switch varies, so check the sides, rear or even in the rafters if the switch is not immediately visible. The switch will loo…
What will I need for installation?
A. Smart Device: Android or iOSB. Sensi Mobile App: Free to download from Google Play and the Apple App StoreC. Small-Tipped Phillips screwdriverD. Medium-Tipped Phillips screwdriverE. Your …
My old thermostat contains mercury. How should I dispose of it?
The thermostat industry recognizes the need for proper disposal of mercury thermostats and has established a recycling program for such devices.To locate your nearest thermostat recycling center, vi…
How do I remove my old thermostat base?
To remove your existing thermostat from its base, consult your original thermostat’s user manual. Most thermostats can be removed from their base by gently pulling them away from the wall. You should …
What is a common wire or “c-wire,” and how do I know if I have a c-wire?
Many conventional, non-connected thermostats don’t need a “c-wire” to function. But today, most Wi-Fi thermostats have new features such as Wi-Fi radios and LED color screens that require the unit be …
Why does my Android disconnect from the Sensi network during the connection process?
When using an Android device to complete the connection process, you may need to change the “Avoid Poor Connection” or the “Smart Network Switch” setting within your device Wi-Fi advanced settings. T…
How do I change and set the time on my Sensi thermostat?
If you plan on connecting your Sensi to Wi-Fi, the time will automatically update based on the time zone you choose when you register your thermostat.Using Without Wi-FiIf you do not plan to conne…
How do I label my existing wires?
When you’re ready, mark each existing wire using the provided wire label stickers. Simply peel off the corresponding sticker from the backing and fold it around the wire – creating a small flag.We…
How do I remove my old thermostat from the base?
To remove your existing thermostat from its base, consult your original thermostat’s user manual. In most cases, it should easily detach by using either a medium sized screwdriver or, in some cases,…
I lost my Sensi security code card. Where can I find my security code?
Your Sensi security code is located on a sticker on the back of the thermostat face plate in the upper left corner.
How do I connect the wires to the base of my new Sensi thermostat?
One by one, insert each wire into the corresponding terminal by sliding the exposed wire into the opening on the side of the terminal block. As you connect each wire to the corresponding terminal, be …
I have extra wires coming from my wall that are not connected to my old thermostat. Do I need them?
Sometimes there will be extra, unused wires in the wall. If they are not used in wiring your Sensi, simply tape them off and push them into the wall and out of the way. If you need to install a c-wire…
What is a jumper wire and what do I do if I have one?
A jumper wire is a short piece of wire connecting two terminals on the thermostat base. A jumper wire does not originate from behind the wall, but is unique to each thermostat. Sensi thermostat does n…
Do the wire colors correspond with the wire labels?
Wire colors do not always correspond to the terminal letters. You should not use color coordination as a guide for wiring. Be sure to take a photo of the old thermostat that shows the wire colors and …
I have never installed a thermostat. Will I be able to install the Sensi Wi-Fi Thermostat myself?
Yes! The Sensi Thermostats and app were built with you in mind. Many of our customers are just like you and may feel a little apprehensive about installing a thermostat. Fortunately, the free Sensi ap…
Is there a Sensi mobile app for Apple iPad?
You can download the iPhone Sensi app to your iPad by searching for “Sensi” in the “iPhone Only” option in the Apple App Store. We’re currently working on a Sensi Mobile App specifically for iPads a…
I have an Android phone. How do I get the Sensi mobile app?
Search for “Sensi” in the Google Play Store and download the app to your phone. The app is free to download and update.Android smartphones and tablets require Android 4.2 (Ice Cream Sandwich) or lat…
I don’t have a smartphone or tablet. Can I use my computer to connect my Sensi?
A smartphone or tablet is required to install your Sensi Wi-Fi Thermostat.Compatible smart devices include:Android smartphones and tablets iPhones, iPads and iPod TouchOnce you’ve installed an…
How do I verify the power is off?
On your existing thermostat, set the fan option to “ON”, then hold your hand over a vent. You should not feel air blowing from the vent. If you’re unsure if air is blowing, you can simply place a pi…
I don’t have a common or “c-wire" and need one. What are my options?
Sensi thermostats work with most heating and cooling systems, however, the need for a common wire or “c-wire” is different based on the Sensi thermostat model. Unsure if your thermostat needs a c-wire…
Does my Sensi thermostat need a common wire, or "c-wire"?
The need for a common wire, or “c-wire,” depends on which Sensi thermostat model you have and your system type.The Sensi Wi-Fi Programmable Thermostat works on most combined heating and cooling syst…
How long will it take to install my Sensi?
Sensi thermostats are designed to install in as little as 15 minutes. By following the simple step-by-step instructions in the Sensi app, even an inexperienced installer can connect.
Which mobile devices are compatible with the Sensi mobile app?
Currently, the Sensi mobile app is free to download for most Android and Apple smart devices.Android smartphones and tablets require Android 4.2 (Ice Cream Sandwich) or later and can be downloaded f…
Why can’t I find the Sensi mobile app in the Google Play store from my Android device?
If you search for the “Sensi” in the Google Play Store on your Android device and the Sensi Mobile App is not found, it is likely the device is not compatible with the Sensi Mobile App. The Sensi Mobi…
Do I need the Sensi mobile app to install my thermostat?
Yes - the Sensi mobile app is required for installation. Please install the app before you begin the installation process. The mobile app includes step-by-step installation instructions and is require…
I see thick wires and wire nuts coming from my wall. What should I do?
Thick or “heavy” wires that include wire nuts are a sign that your system is high voltage and incompatible with the Sensi Wi-Fi Thermostat. If you see thick wires and wire nuts, stop. Reconnect your…
How do I know if my old thermostat contains mercury?
Examine your old thermostat – look for a clear glass vial that contains a silver substance. This is commonly found on the base of older thermostats, visible when the face of the thermostat has been re…
I removed my wires from my old thermostat before labeling or taking a picture. What should I do?
Re-establishing a wiring pattern typically requires professional expertise and equipment because wire color does not always match thermostat terminal letters. You should call your HVAC service technic…
What’s in the box?
Upon opening your new Sensi thermostat, you will find the following items:Sensi Wi-Fi Programmable Thermostat Thermostat Base Quick-Start Guide Mounting Screws Wire Labels Security Code Card 2 AA B…
After I select “Sensi” in my list of networks, what password should I enter?
Look for the Sensi Security Card inside the box or on the back of thermostat. The Security Code is the password to the Sensi network.Note: This is not your Wi-Fi network password.