Coal energy and heating a home . . .

  • Thread starter Speedy
  • Start date
  • #1
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How many pounds of western subbituminous coal would be needed to heat the house (house requires 1,000,000 BTU), with a 60% efficient furnace?

Subitiminous coal = 10,750 BTU/lb

1,000,000 BTU
____________ = 93.02 lb of coal.
10,750 Btu/lb

And I am not exactly sure how to take into account the 60% efficiency:

Take 93.02 / 0.6 = 155.0 lb coal, needed to heat the house. Is that correct?
 

Answers and Replies

  • #2
Shooting Star
Homework Helper
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Correct.
 

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