Our very old open flue oil boiler needs replacing. It's rated output is 28~32kw. Prob a Band 'F'.
An installation engineer came round and he mentioned since new boilers are more effiecient I could consider going down one size in burner output to something like a Worcester Bosch 18/25. That'll save oil? I'm not sure I agree as total of all rads rated output, add up to 27KW (2 x 3kw rads added at a later time since old boiler installed). Figures exclude the HW coil.
Is the gfuy correct?
An installation engineer came round and he mentioned since new boilers are more effiecient I could consider going down one size in burner output to something like a Worcester Bosch 18/25. That'll save oil? I'm not sure I agree as total of all rads rated output, add up to 27KW (2 x 3kw rads added at a later time since old boiler installed). Figures exclude the HW coil.
Is the gfuy correct?