Please enter the following building information
Enclosed space (square feet): 1000
Building height (feet): 20
Number of windows (integer): 30
Average area of a window (square feet): 50
Average indoor temperature during heating season (F): 70 
Minimum outdoor temperature during heating season (F): 20
Average indoor temperature during cooling season (F): 70
Maximum outdoor temperature during cooling season (F): 90
Estimated heating load requirement (Btu/hr): 308114
Estimated cooling load requirement (Btu/hr): 123246