Cosy, our smart thermostat

Smart heating, hot water and a cosy home

Cosy is a wireless, multi-user home heating system that puts temperature control in the palm of your hand. Thanks to its mobile thermostat you can be sure the temperature is always set exactly how you want it, wherever you are.

Read reviews

Our Cosy products

Cosy smart heating

The core Cosy system is for controlling your central heating.

Cosy hot water

Switch your hot water on and off from your Cosy display or mobile app with the help of the Cosy hot water extension pack.

Additional displays

If you have a twin-zone heating system, you'll need a second Cosy display in your home. Take your pick from our standard and premium Cosy displays.

More information

Looking for more technical info on our Cosy smart thermostat? Take a look at our handy datasheet and installer guide.

...talking about smarter energy


geo unveils latest version of Cosy 3 smart thermostat at Ecobuild 2016

London, UK, March 8th 2016, geo, the pioneering developer of smarter energy products and services for consumers, is previewing the latest version of its popular home heating system, Cosy, at Ecobuild (8-10 March, Excel).


Read more