How to work out how much heat my old radiators put out

[TheRunningMan]

I have a load of the old style single panel radiators (without fins) and I dont think they give out enough heat for the rooms there in.

I've read the sticky which took me to this site http://www.theradiatorcompany.com/heatoutput/ to tell me what they should be outputting but I cant seem to find anything that tells me what my current ones are outputting.

Can anyone help

 

[Dan Robinson]

The search button is your friend here

 

[TheRunningMan]

The search button is your friend here

I don't seem to be able to find much when using the friendly search button though which is why I posted

 

[D_Hailsham]

Use the Stelrad Elite Catalogue.

Rads without any fins are the P1 type. If you can't find the exact size, just proportion it from the nearest size.

The Rad Company's calculator is very simplistic and should not be relied on.

 

[Dan Robinson]

I pt "Radiator output" in and came up with one or two possibilities