If you have an Amazon Alexa, you can search for use Trio + Heating with voice control.

Search for the “geo Smart Heating” skill in the Alexa skills store and follow the linking instructions in the app.

Events can be triggered with some simple commands:

“Alexa, set temperature in Bedroom to 19 degrees.” 

"Alexa, set Living to 22 degrees." 

"Alexa, turn on Hot Water." 

A full list of commands for this skill can be found here