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Radiaor Enclosures (additional info), by Frank "Steamhead" Wilsey

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Author
Frank "Steamhead" Wilsey
Published
December 13, 2009
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Here's another take on radiator cabinets... this is from "First Aid for the Ailing House", by Roger B.
Whitman, 1934.



I was also going to post some images from Kidder & Parker's Architect's and Builder's handbook,
but they turned out to be the same as Dan's.
Some time ago I worked out the change in output when adding a cover to an existing radiator.
Going by the radiators listed in Dan's post, if you add the type of cover listed as "Deduct 10%", the
existing rad will run at 111% of its uncovered capacity.
The cover listed as "Add 20%" will make the rad operate at 83% capacity.
The cover listed as "Deduct 5%" will make the rad operate at 105% capacity.
The cover listed as "Add 5%" will make the rad operate at 96% capacity.
And finally, the cover listed as "Add 30%"- the alleged "design" we see all the time- will make the
rad operate at 77% capacity.
I'm not a big fan of radiator enclosures, as they can hide small leaks as would occur with a loose
packing nut or union, or a bad air vent. But if you must build an enclosure, doing it the right way
will conserve energy.