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table preview

Year Built Cooling Space Size
(square feet)
Number of
Expected Occupants
Capacity Required
for Extreme Heat (BTU/hr)
You Can Achieve the Required Cooling with:
Quantity of
Portable A/C
Units
Quantity of
Window A/C
Units
Quantity of
Ductless Heat
Pump, Heat Pump
or Hard Wired AC
Before 1975 100 5 12,000 1 1 1
10 15,000 2 1 1
200 5 20,000 2 2 1
10 22,000 2 2 1
20 24,000 2 2 1
300 5 27,000 2 2 1
10 28,000 2 22 1
20 32,000 2 2 1
400 5 33,000 2 2 1
10 35,000 2 2 1
20 38,000 2 2 1
1975 or later 100 5 6,000 1 1
10 8,000 1 1
200 5 7,000 1 1
10 9,000 1 1 1
20 12,000 1 1 1
300 5 9,000 1 1 1
10 10,000 1 1 1
20 13,000 1 1 1
400 5 9,000 1 1 1
10 12,000 1 1 1
20 14,000 1 1 1