# Electric Heat Formulas

By | December 7, 2015

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AIR CONDITIONING FORMULAS Heating Btu/hr = GPM x 500 x T 1 GPM at 20° T = 10,000 Btu/hr Btu/hr / 10,000 = 1 GPM (@20° T) Cooling 1 ton (CHW) = GPM x 500 x T/12,000 = 2.4 GPM (@10° T) Latent To heat air Btu/hr = CFM x 1.08 x T

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