A gas furnace has an output of 60,000 Btu/h. The returnair temperature is 72°F, and the temperature out ofthe furnace is 130°F. Disregarding the heat the fan motormay add to the airstream, how much air is the furnacehandling?

A gas furnace has an output of 60,000 Btu/h. The returnair temperature is 72°F, and the temperature out ofthe furnace is 130°F. Disregarding the heat the fan motormay add to the airstream, how much air is the furnacehandling?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter35: Comfort And Psychrometrics

Section: Chapter Questions

Problem 12RQ: A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature...

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Question

A gas furnace has an output of 60,000 Btu/h. The return
air temperature is 72°F, and the temperature out of
the furnace is 130°F. Disregarding the heat the fan motor
may add to the airstream, how much air is the furnace
handling?

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