SOLUTION: Kay wants to buy a new fireplace insert that will burn gas instead of wood. She normally uses tow cords of wood in the winter. Wood costs $250/cord. She is interested in knowing ho
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Question 924524: Kay wants to buy a new fireplace insert that will burn gas instead of wood. She normally uses tow cords of wood in the winter. Wood costs $250/cord. She is interested in knowing how much she will save if she burns gas in the fireplace insert. Gas costs $ 0.91 per therm. One therm is 100,000 BTU. The fireplace insert burns 33,000 BTU per hour. Kay figures she will burn the fireplace 5 hours per day for 120 days. How much will she save in one winter if she burns gas instead of wood?
You can put this solution on YOUR website! Kay wants to buy a new fireplace insert that will burn gas instead of wood.
She normally uses two cords of wood in the winter.
Wood costs $250/cord.
She is interested in knowing how much she will save if she burns gas in the fireplace insert. Gas costs $ 0.91 per therm.
One therm is 100,000 BTU.
The fireplace insert burns 33,000 BTU per hour.
Kay figures she will burn the fireplace 5 hours per day for 120 days.
How much will she save in one winter if she burns gas instead of wood?
:
Burning wood costs 2 * 250 = $500
:
Burning gas requires 120 * 5 * 33000 = 19,800,000 Btu in one winter
Cost: .91 * 19800000/100000 = $180.18
A savings of
500 - 180.18 = $319.82 savings, not to mention, it's way less messy!
