Cost of Air Conditioning Loss Due to Ventilation

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 CFM =
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: $
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