Question Details:
A house has the following dimensions
Walls are brick (R value – 4.00), fiberglass insulation (R value 18.80), drywall (R value .45). The roof is wood shingles ((R value .87), and drywall (R value .45). There are six windows each having an area of .5 SF. Inside temperature 80 degrees Farenheit and out temperature is 40 degrees Farenheit.
Estimate how much heat is lost to the atmosphere each hour in BTU/hr
If house is heated by nat’l gas (heat of combustion 9000 kal/m3) How much gas must you burn each hour to keep house warm assume furnace is 50% efficient?
Given furnace is 50% efficient and price of gas is $.07 per cubic meter. Estimate amount of money spent in one year
Question Details: Question Details: A house has the following dimensions Walls are brick (R value -4.00), fiberglass insulation (R value 18.80), drywall (R value .45). The roof is wood shingles ((R value .87), and drywall (R value .45). There are six windows each having an area of .5 SF. Inside temperature 80 degrees Farenheit and out temperature is 40 degrees Farenheit. Estimate how much heat is lost to the atmosphere each hour in BTU/hr If house is heated by nat’l gas (heat of combustion 9000 kal/m3) How much gas must you burn each hour to keep house warm assume furnace is 50% efficient? Given furnace is 50% efficient and price of gas is $.07 per cubic meter. Estimate amount of money spent in one year
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