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1.a/ A house is heated at 22oC and has an average outdoor air infiltration rate of...

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Mechanical Engineering

1.a/ A house is heated at 22oC and has an average outdoor airinfiltration rate of 0.15 ACH at standard operating conditions. Ifthe average temperature outside over three months (91 days) is 2oCwhat would be the approximate energy consumption due to natural airinfiltration? The house is 250 m2 in area and has 8 foot highceilings throughout.
b/If the house is being heated by a 100% efficient electricbaseboard heater, what would be the savings due to infiltrationlosses over that three month period if you decided to heat thehouse to 18oC instead of 22oC. Electricity costs are$0.13/kWh?

Answer & Explanation Solved by verified expert
3.9 Ratings (556 Votes)
GivenTroom 22 degree C 295 KToutside 2 degree C 275 KVroom Areaheightof ceiling 250803048 6096 m3NowInfiltration rate 015 ACH 015Vroom 0156096 9144 m3hourNowMass of Supply Air entering pressurevolumeof    See Answer
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