About Cosy

Introducing Cosy
Cosy is a smart heating system that lets you control your heating and hot water from a mobile thermostat and from mobile devices...
Overall Compatibility
Cosy (Heating only) To use Cosy you will need to have: a single or twin zone central heating system access to a mobile device a home broadban...
Comparison with Other Systems
Cosy differs from other smart home heating devices as follows: It works in parallel with existing equipment so: You don’t have to remov...
iPhone compatibility
The Cosy App is compatible with iPhone devices running iOS7 and above, including: iPhone 3GS iPhone 4   iPhone 4S iPhone 5 iPhone 5S...
iPad compatibility
There is currently not a dedicated Cosy App for iPad, however, it is possible to run the iPhone/iPod version of the Cosy App on iPad devices running iOS 7...
iPod compatibility
The Cosy App is compatible with iPod devices running iOS7 and above, including: iPod Touch (4th generation) iPod Touch (5th generation) iPod T...
Android compatibility
The Cosy App for Android is compatible with mobile and tablet devices running Android 4.0.3 and above.
Windows Phone compatibility
The Cosy Web app can be used for Windows Phone devices (there is currently no dedicated app) Known issues with Windows Phone OS V8.10.12400.899 Windows ...
What Type of Hot Water System Do I Have?
Broadly speaking there are two types of hot water systems: Combi Boiler - Controls your central heating as required using a timer switch and only heats...
Moving into a home with Cosy installed
If you have just moved into a home and discovered that your heating is controlled by our smart thermostat Cosy, then it’s important to check that you have t...