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 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.

Can baseboard heaters be controlled by the 4iE?

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

Is my 4iE Compatible with Control4?

The 4iE is compatible with Control4. Click “Read More” for details. 

What type of security is used with my data?

Click “Read More” for details.

Why does the App crash whenever I try to update the temperature?

You may have to restart your phone. Click “Read More” for details. 

Why does my thermostat read a percentage?

Your thermostat is set to regulator mode. Click “Read More” for details. 

Why is my 4iE is just displaying ‘connecting’ on the ‘connect to WiFi’ screen?

The 4iE should take up to 30 seconds to connect maximum. Click “Read More” for details. 

Is there an app available?

Yes there is an app available: MyHeating. Click “Read More” for details.

Is the 4iE easier to program than the 3iE?

Yes. 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. 

How to connect the 4iE to the Internet?

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

How long does it take to power cycle my 4iE?

4iE-04 Wi-Fi versions require you to hold reset for 5-15 seconds.

4i3-03 non-Wi-Fi only requires you to hold the reset button for 2-5 seconds.  

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

This is done on my.warmup.com. 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.

Does the 4iE work over 3G?

Both your 4iE and the device you are using to control it (iPad, smartphone, laptop etc.) need to be connected to the internet. Click “Read More” for further details.

Does the 4iE work with hydronic underfloor heating?

Yes. Click “Read More” for details. 

Does the 4iE work with electric underfloor systems?

Yes, up to 15A/3600W. 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.

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

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 I connect it to my smarthome system?

Warmup encourages the use of the 4iE with smarthome systems. 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.

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. 

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 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.

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

Click “Read More” for details.

What type of WiFi does the 4iE use?

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.