I am very new to home automation and have some really dumb questions regarding heating (I am an IT guy, I don't understand much about the workings of heating!)
My (UK) house has a boiler that drives radiators and currently has a 7 day programmable thermostat (nothing clever here its not a smart device)
In my mind, I want to swap that thermostat for a smart switch (to fire the boiler) and then add smart TRV's to all of my radiators.
What I can't get straight in my head is the logic for how you set the the boiler to fire?
If I want my lounge to be 21 and my bedroom to be 17, is the boiler firing constantly if ANY of the TRV's still haven't achieved the desired temperature?
My concern is that I'll go from a fairly easily understood pattern of energy usage to one where the thing is blazing away all day to try and achieve an unachievable temperature goal somewhere in the house.
A few months ago I'd have been happy to mess around, but these days I need to be thinking about reducing costs with smart technology not wasting money.
Can you help this n00b please?