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Miscellaneous questions

23 articles · Updated Jun 2026
Can I upgrade to the 6iE? Do you have an old Warmup thermostat that you'd like to upgrade to the 6iE? Learn...
Can I use the 4iE to control my Air Conditioning unit (A/C)? The 4iE is designed for use with heating only and is not capable of controlling air...
Can my thermostat connect to Google Home? Yes, your thermostat can connect to your Google Home. Read the instructions down below to find...
How can I turn my system on or off completely? Powering off your thermostat is an important function to be familiar with, as it allows you...
How Do I Identify Which Warmup Thermostat I Have? Do you have a Warmup Thermostat but are unsure which model you have? Read this post...
How do I upload a custom background to my 4iE? The 4iE® is offered in White & Black. It is designed to look great in both modern...
Is an electric floor heating thermostat the same as regular thermostats? No, floor heating thermostats are specifically designed to control electric floor heating systems. 
When I push the test monthly button on my thermostat, the screen goes red and tells me to call Warmup. Should I be worried? Not at all. Click "Read More" for details.
Why does my thermostat read a percentage (Regulator Mode)? When applied, you will select a number and this percentage represents the number of minutes the...
Why does my thermostat set into open window function and decreases my set temperature? Welcome to our informative post on learning more about the open window function on your Warmup...
How do you update software on a 4iE thermostat? Looking to update the software on your 4iE thermostat? This post will tell you all about...
How to change the location setting on the 4iE? Notice your weather report on your smart thermostat is off? Find out here how to confirm...
Do I need to use the WiFi on my smart thermostat? Are you wondering if an internet connection is necessary for the 4iE-04 to work? Learn more...
Why is my thermostat screen going dark? Is your 4iE screen going dark? Learn more here about the settings on the 4iE and...
How to Unregister your 4iE Thermostat Moving or expecting new renters? Learn how to unregister your 4iE thermostat so that the new...
How to Edit Currency Type on your 4iE thermostat Is your energy monitoring feedback in the wrong currency? Learn how to easily edit the currency...
How to switch from Celsius to Fahrenheit (or vice versa) on your 4iE thermostat Is your thermostat reading in Celcius when you want it in Fahrenheit or the other way...
How to Edit Energy Cost on your 4iE thermostat Do you need to edit something about your energy monitoring feedback on the 4iE? Learn how...
4iE Features Only Available through the MyWarmup Portal Some features are currently only available through the MyWarmup portal. Click "Read more" to see which...
Does Warmup Underfloor Heating Comply with Title 24? The California Title 24 Building Energy Efficiency Standards are designed to ensure new and existing buildings...
Can my thermostat connect to Alexa? To connect, please make sure you have downloaded the Alexa App and that your Amazon device...
How do I turn off the Backlight on my 4iE Thermostat? Follow these steps to turn off the backlight feature: Menu > Settings > Display/Audio > Display...
Does the 4iE have a Battery Backup? There is no battery backup or capacitor in the 4iE, however, there is internal memory. Periodically...

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