stupid question?

[lkuya]

does the ammount of rads on a combi system affet what size the boiler has to be?

and is there a program available where i put in room sizes, rads sizes, window types ect

and it magically works it out for me

 

[gremlin16]

Yes to all,but its not magic

 

[namsag]

Even small Combi will be well oversized for just about all 3 bedroomed houses rad requirements