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Cost of Air Conditioning Loss Due to Exhaust

Cooling $/hr = .9 x CFM x (To-Ti) /3414 BTU/kWh x $/kWh

Cooling $/year = (Cooling $/hr) x (hrs worked/wk) x (number of weeks)

Enter CFM exhausted to the outside or use 5000 CFM as a convenient value

Enter outside temperature in Fahrenheit degrees To:
To =

Enter inside temperature in Fahrenheit degrees Ti:
Ti =

Enter $/kWh or use 0.08 as USA average cost :
$/kWh =

Enter hours worked per week:
# of hours =

Enter number of weeks :
# of weeks =

Cost of Air Conditioning Loss per year: