cast iron radiators

Old 01-18-04, 07:14 PM
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cast iron radiators


does anyone know how to calculate btu out put of cast iron hot-water radiators? I'm trying to install this type of system in an antique store I am restoring. All I could find on the web was one site that showed calculations in square feet of radiation. Can this be converted into btu's?

Thanks in advance
Old 01-19-04, 05:50 AM
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A square foot of water radiation is based on a heat emission of 150 btu per hour per square foot, with standard 70 degree F. air temperature and an average water temperature in the radiator of 170 degrees F.

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