Do you have the right size air conditioner
for the room you want to cool?
Check the guide below and see.
Instructions
1. Measure the room to be cooled in
square feet.
2. Select the region (1, 2, or 3) that
best fits your location from the map.
3. Using the chart corresponding to
your region, find the column marked
(Size of Area to be Cooled in square
feet).
4. Reading down the column, select a
number that most closely matches
your room size.
5. Follow this row across to the
column that describes the air
conditioner exposure direction, and
room characteristics.
6. The number you select will be the
approximate btu size needed to
cool your room.
Additional conditions:
·
If average occupancy of area is more than two people, add 600 Btu/hour per person. If average is one person, subtract
600 Btu/hour.
·
Add 1200 Btu/hour if area includes a kitchen.
·
If room is heavily shaded, subtract 10 percent from capacity. Increase capacity by 10 percent if area is very sunny.
Note:
For best results, select a room air conditioner with cooling capacity (Btu/hour rating) closest to, but not exceeding,
estimated size.
New
Haven
Albany
Rochester
Fargo
Eugene
Reno
Sacramento
Fresno
Las
Vegas
Flagstaff
Phoenix
Tucson
Pueblo
Wichita
San Antonio
Birmingham
Atlanta
Charlotte
Columbus
Green Bay
1
Region 1
3
Region 3
2
Region 2
R
E
G
I
O
N
1
NORTH OR
SHADED
EAST OR
SOUTH
WEST
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No
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In
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Size of
Area to
be
Cooled
(in
square
feet)
Required Air Conditioner Cooling
Capacity Btu/hour
Required Air Conditioner Cooling
Capacity Btu/hour
Required Air Conditioner Cooling
Capacity Btu/hour
150
3,200
3,500
4,400
5,100
5,400
6,200
6,200
6,500
7,300
200
3,600
4,000
5,200
5,500
5,900
7,000
6,600
7,000
8,100
250
4,000
4,400
5,900
6,000
6,400
7,800
7,100
7,500
8,900
300
4,300
4,900
6,600
6,400
6,900
8,600
7,500
8,000
9,800
350
4,700
5,300
7,400
6,800
7,400
9,400
7,900
8,500
10,600
400
5,100
5,800
8,200
7,200
7,900
10,300
8,300
9,000
11,400
450
5,500
6,200
8,900
7,600
8,400
11,100
8,700
9,500
12,200
500
5,800
6,600
9,600
8,000
8,900
11,900
9,100
10,000
13,000
550
6,200
7,100
10,400
8,400
9,400
12,700
9,500
10,500
13,800
600
6,600
7,600
11,100
8,900
9,900
13,500
10,000
11,000
14,600
650
6,900
8,000
11,800
9,300
10,400
14,300
10,400
11,500
15,400
700
7,300
8,400
12,600
9,700
10,900
15,100
10,800
12,000
16,200
750
7,700
8,900
13,400
10,100
11,400
15,900
11,200
12,500
17,000
800
8,000
9,400
14,100
10,600
11,900
16,700
11,700
13,000
17,800
850
8,300
9,800
14,900
11,000
12,400
17,500
12,100
13,500
18,600
900
8,700
10,200
15,600
11,400
12,900
18,300
12,500
14,000
19,400
950
9,100
10,700
16,300
11,800
13,400
19,100
12,900
14,500
20,200
1000
9,400
11,100
17,100
12,300
14,000
19,900
13,400
15,100
21,000
1100
10,100
12,000
18,500
13,100
14,900
21,400
14,200
16,000
22,600
1200
10,900
12,900
20,000
13,900
15,900
23,000
15,000
17,000
24,200
1300
11,600
13,800
21,500
14,700
16,900
24,700
15,800
18,000
25,800
1400
12,300
14,700
23,000
15,600
17,900
26,300
16,700
19,100
27,400
4
