Page 7
COOLING LOAD ESTIMATE FORM
HEAT GAIN FROM
1. WINDOWS: Heat gain from the sun.
Northeast
East
Southeast
South
Southwest
West
Northwest
North
2. WINDOWS: Heat by conduction
(Total of all windows.)
Single glass
Double glass or glass block
3. WALLS: (Based on linear feet of wall)
a. Outside walls
North Exposure
Other than North exposure
b. Inside Walls (between conditioned and
unconditioned spaces only.)
4. ROOF OR CEILING: (Use one only)
a. Roof, Un-insulated
b. Roof, 1 inch or more insulation
c. Ceiling, occupied space above
d. Ceiling, insulated, with attic space above
e. Ceiling, Un-insulated, with attic space above
5. Floor: (Disregard if floor is directly on ground or over
a basement.
6. NUMBER OF PEOPLE
7. LIGHTS AND ELECTRICAL EQUIPMENT IN USE
8. DOORS AND ARCHES CONTINUOUSLY OPENED TO
UNCONDITIONED SPACE: (TOTAL LINEAR FEET OF
WIDTH.)
9. SUBTOTAL
10. TOTAL COOLING LOAD (BTU per hour to be used for
selection of room air conditioner(s).)
No
Shades*
60
80
75
75
110
150
120
0
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____ ft.
____ ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____sq. ft.
____
____watts
____ft.
*****
Inside
Shades*
25
40
30
35
45
65
50
0
Outside
Awnings*
20 ____
25 ____
20 ____
20 ____
30 ____
45 ____
35 ____
0 ____
(Area
X Factor)
Use
only
the
largest
load.
Use
only
one.
____
____
____
____
____
____
____
____
QUANTITY
BTU/Hr.
(Quantity x Factor)
14
7
30
19
8
3
5
12
3
600
3
300
*****
Light Construction
30
60
Heavy Construction
20
30
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
* These factors are for single glass
only. For glass block, multiply the
above factors by 0.5; for double
glass or storm windows, multiply
the above factors by 0.8.
FACTORS
DAY
____ Total in Item 9 X ____(Factor from Map) = _______
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