> Our house is reasonably cold (no loft). We had a combi-boiler fitted in
> April (just after moving in) and haven't had to use it in anger yet. >
> I am tempted to get 5 thermostatic radiator valves from Screwfix and
> (learn to) fit them myself.
>
> If I do this are we better having the heating on 24/7 during the winter as
> the flow would only occur if the rooms are colder than set (and therefore
> the combi-boiler should only fire up when the water in the system cools
> too much)? Or should we have the combi-boiler come on at set intervals
> during the day/night?
>
> I'd hope the former as it would help keep a constant temperature, but am I
> right about the combi-boiler not firing all the time? If not, surely this
> would hammer the heating bill...
>
> Cheers,
>
>
> Andy
>
It sounds like you need a room thermostat on your system! Of your two options the timed mode is best but a thermostat will allow you to do the job properly...
Peter