EDR

EDR
(sq ft)
   an abbreviation for Equivalent Direct Radiation, a unit used in the design of hot water heating systems. The measurement is traditionally stated in square feet, representing the area of the radiator surface, but it is actually interpreted as a unit of power,with 1 EDR ft2 equal to 240 Btu per hour.

Dictionary of units of measurement. 2015.

Игры ⚽ Поможем сделать НИР

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