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Posted by Heatpro on January 09, 2006 at 22:43:51:
In Reply to: How do I calculate steam square ft.? posted by Drew on January 09, 2006 at 20:54:15:
: I am assuming I measure the width and height of my radiators.
+ Yes. It is done by tables that need to know the height and number of sections of a type of radiator that has so many tube columns running up and down in each section.
: Do I double it to account for the front and backside of the radiator?
+ No.
Here are pages that describe the process
http://64.226.150.132/hydronic/rad/edr.htm
and also link to a dealer that has tables to show the EDR:
http://www.colonialsupply.com/resources/radiator3.htm