4iE Smart WiFi Thermostat

Controlled from a smartphone, tablet or computer, the 4iE Smart WiFi Thermostat learns how you use your heating and the unique way your house reacts. Download MyHeating app on the app store or connect to the web portal my.warmup.com. Comes with a 3-Year warranty.

Why won’t my 4iE connect to the internet? (Connection unsuccessful displayed)

Click “Read More” for details.

Can I swap my 3iE to a 4iE?

Yes, the box and mounting requirements are identical and the sensor is compatible. Click “Read More” for details. 

Can baseboard heaters be controlled by the 4iE?

This page explains how to wire and program the 4iE thermostat to work with baseboard applications.

How do I upload my own background to my 4iE?

This is done on my.warmup.com. Click “Read More” for details.

Mounting a 3iE/4iE thermostat with standard back box and mud ring in Canada.

In order to properly mount your 4iE thermostat, you will need a back-box as well as a mud-ring. Warmup can recommend compatible items.

Why won’t my background picture upload on my 4iE?

This post explains the size requirements of the image file you are trying to upload as a 4iE background.

Why does my thermostat read a percentage?

When applied, you will select a number and this percentage represents the number of minutes the heat will be on out of every 10 minute cycle. For example, if you select 60%, the heat will be on for 6 minutes, followed by 4 minutes of the system being off. Then, after the 4 minutes, it will activate again for 6 and so on. This will continue until your programmed heating period ends or until you manually turn off the heat.

If My SSID is Less Than 11 Characters and My Password is WPA2, Why Won’t My 4iE Connect to the Internet?

You may have problems with your router or a firewall in place that is preventing a successful connection. Click “Read More” for details. 

If I Have Registered an Account With my 4iE and I Have the Latest Software, Why do I Still Have an ‘!’ on the Screen?

You may have problems with your router or a firewall in place that is preventing a successful connection. Click “Read More” for details. 

4iE features only available through the MyWarmup portal

Some features are currently only available through the MyWarmup portal. Click “Read more” to see which ones.

How do I reset/power cycle my 4iE?

First, loosen the screws at the bottom of your unit at shown in the video clip below. Then remove the face of your thermostat by lifting up and off. On the back of the face is a small reset button. Using a small screw driver or writing utensil, press and hold the reset button for 15 seconds. Then place the face of the unit back on making sure the 8 gold pins line up correctly with their counterparts.

How to connect the 4iE to the Internet?

It connects through WiFi to your router. Click “Read More” for details.

If My SSID is Less Than 11 Characters, Why Won’t My 4iE Connect to the Internet?

Check you are using a WPA2 password format (less than 10 characters) on your network. Click “Read More” for details.

Does the 4iE work with electric underfloor systems?

Yes, up to 15A/3600W. Click “Read More” for details.

How do I set the 4iE to program itself?

The 4iE requires 2 weeks of use to accurately learn your schedule and temperatures. Click “Read More” for details. 

How can I switch from Celsius to Fahrenheit?

Go to Profile > Select the cog for the location > Scroll down and select Edit Location.

Can I connect it to my smarthome system?

Warmup encourages the use of the 4iE with smarthome systems. Click “Read More” for details.

Does it work on android/iPhone/windows/Mac?

You use ‘my.warmup.com’ to control your 4iE remotely with any popular internet browser on any device that can connect to the Internet. Click “Read More” for details.

Does the 4iE have a battery backup?

Periodically the programming and date/time are stamped to a section of internal memory. This is then overwritten when the next stamp takes place. When the power is resumed following a power outage, the device will revert to the most recent stamp taken.

Why is my 4iE Connected to Internet But Showing an ‘!’ on the Screen?

Ensure you have created your account and registered the thermostat using the Device Number. Click “Read More” for details. 

Does the 4iE work with hydronic underfloor heating?

Yes. Click “Read More” for details. 

What home automation systems are the 4iE compatible with?

Currently, the 4iE is compatible with Crestron and Control 4 home automation systems. Please contact the Warmup technical department for related documentation and drivers required to integration.

What type of WiFi does the 4iE use?

Click “Read More” for details.

Can I use the 4iE to control my Air Conditioning unit (A/C)?

Click “Read More” for details. 

If I’ve Registered an Account, Why Does my 4iE Still Have an ‘!’ on the Screen?

You may be running an old software version on your 4iE that needs to be updated. Click “Read More” for details.

When should I select Air vs Floor when programming my thermostat?

You can opt into using the air probe instead of the floor probe if you are more concerned about trying to achieve a specific air temperature, usually for primary heat.

How do you add a Room using the MyHeating App

There are two ways to add a Room to your account, which will serve as a way to register your 4iE thermostat to your profile.

The first way is through the my.warmup.com profile and the second way is directly through the MyHeating App.

How do I set a custom program on my 4iE?

Then you will select the days of the week you would like to program to apply for, press ‘accept’ and then add periods of times you would like the system to be on and heating. The following menu will allow you to set times and temperatures. Lock in your program by pressing accept twice.

How do I enable to SmartGeo Feature on the MyHeating App?

The Warmup SmartGeo is a way to allow your thermostat to combine the location settings on your device, occupancy sensing features and a few algorithms to create the most comfortable heat as efficiently as possible.

Where do I find my 4iE’s Device Number?

First, the device number shows up during the initial startup menu and recommends the number be written down. Secondly, it can always be accessed afterwards on the device itself.

What is System Power on my 4iE?

System Power is requested during the initial setup of your device. System power is simply the wattage of the heating system that you connect to your thermostat. To set your systems power select the following: menu > energy monitor > power settings > select the wattage using the up and down arrows > accept.

How to set up a program using the MyHeating App

Once your profile and 4iE are registered, you can now set up or edit a program through the MyHeating App. Note: You can set multiple different programs for different days. Refer the the video below for further guidance.