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Estimate the annual heating and cooling costs

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Estimate the annual heating and cooling costs of a house with the following specifications:

Heating envelope area = 1200 m2, U (average, envelope)=0.51 W/m2K , ,HDD =4,800, natural gas rate=$0.25/m3 boiler efficiency=85%, and 1 m3 natural gas = 38.3 MJ

Cooling

Air conditioning unit- average cooling load 1.8 ton, operating 1,300 hours per year. SEER=15 Btu/W.h, electricity rate=$0.18/kWh

Reference no: EM132599857

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