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Table 3
Average Air Conditioning Loads for Various Businesses 

Classifications 

Sq. Ft. Per Ton

Lo Av Hi
Apartments, high rise 450 400 350
Auditoriums, churches, theaters 400 250 90
Educations facilities (schools, colleges, universities) 240 185 150
Factories - assembly areas  240 150 90
Factories - light manufacturing  200 150 100
Factories - heavy manufacturing*  100 80 60
Hospitals - patient rooms 275 220 165
Hospitals - public areas 175 140 110
Hotels, motels, dormitories 350 300 220
Libraries and museums 340 280 200
Office buildings (general) 360 280 190
Residential - large 600 500 380
Residential - medium 700 550 400
Restaurants - large 135 100 80
Restaurants - medium 150 120 100
       
Shopping centers, department stores and specialty store:      
Beauty and barber shops 240 160 105
Department stores - basement 340 285 225
Department stores - main floors 350 245 150
Department stores - upper floors 400 340 280
Dress shops 345 280 185
Drug stores 180 135 110
5 and 10 cent stores 345 220 120
Hat shops 315 270 185
Shoe stores 300 220 150
Malls 365 230 160
       
Refrigeration for central heating and cooling plant:      
Urban districts 475 380 285
College campuses 400 320 240
Commercial centers 330 265 200
Residential centers 625 500 375
*Air quantities for heavy manufacturing areas are based on supplementary means to remove excessive heat. 

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Moderate Projects

Save energy in unoccupied areas

Check pipes and radiators

Test, clean and adjust your system

Limit exhaust fan use

Make use of outside air

Add window coverings

Reduce ventilation

Inspect Ducts

Tables

Table 3: Average Air Conditioning Loads for Various Businesses

Table 4: Operating Hours Of Air Conditioning Equipment, May 15 to Oct. 15