It’s your home not his!
If the output calculation is correct then surely any radiator of the same rating will do the job.
If fancy rads didn’t work people would not fit them, ours take up a bit more space but they look much nicer.
We have anthracite and one bronze vertical all triple column, whatever performance gains for a white panel rad I don’t think they would look the part despite the missing skirting…
It’s your home not his!
If the output calculation is correct then surely any radiator of the same rating will do the job.
If fancy rads didn’t work people would not fit them, ours take up a bit more space but they look much nicer.