Cooling Capacity Calculator (Gas Heat)
Furnace Output (BTUH)
40000
41000
42000
43000
44000
45000
46000
47000
48000
49000
50000
51000
52000
53000
54000
55000
56000
57000
58000
59000
60000
61000
62000
63000
64000
65000
66000
67000
68000
69000
70000
71000
72000
73000
74000
75000
76000
77000
78000
79000
80000
81000
82000
83000
84000
85000
86000
87000
88000
89000
90000
91000
92000
93000
94000
95000
96000
97000
98000
99000
100000
101000
102000
103000
104000
105000
106000
107000
108000
109000
110000
111000
112000
113000
114000
115000
116000
117000
118000
119000
120000
121000
122000
123000
124000
125000
126000
127000
128000
129000
130000
131000
132000
133000
134000
135000
136000
137000
138000
139000
140000
141000
142000
143000
144000
145000
146000
147000
148000
149000
150000
Return Temperature db
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
Supply Temperature db
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
Air Flow (CFM)
Return Temperature wb
35
35.1
35.2
35.3
35.4
35.5
35.6
35.7
35.8
35.9
36
36.1
36.2
36.3
36.4
36.5
36.6
36.7
36.8
36.9
37
37.1
37.2
37.3
37.4
37.5
37.6
37.7
37.8
37.9
38
38.1
38.2
38.3
38.4
38.5
38.6
38.7
38.8
38.9
39
39.1
39.2
39.3
39.4
39.5
39.6
39.7
39.8
39.9
40
40.1
40.2
40.3
40.4
40.5
40.6
40.7
40.8
40.9
41
41.1
41.2
41.3
41.4
41.5
41.6
41.7
41.8
41.9
42
42.1
42.2
42.3
42.4
42.5
42.6
42.7
42.8
42.9
43
43.1
43.2
43.3
43.4
43.5
43.6
43.7
43.8
43.9
44
44.1
44.2
44.3
44.4
44.5
44.6
44.7
44.8
44.9
45
45.1
45.2
45.3
45.4
45.5
45.6
45.7
45.8
45.9
46
46.1
46.2
46.3
46.4
46.5
46.6
46.7
46.8
46.9
47
47.1
47.2
47.3
47.4
47.5
47.6
47.7
47.8
47.9
48
48.1
48.2
48.3
48.4
48.5
48.6
48.7
48.8
48.9
49
49.1
49.2
49.3
49.4
49.5
49.6
49.7
49.8
49.9
50
50.1
50.2
50.3
50.4
50.5
50.6
50.7
50.8
50.9
51
51.1
51.2
51.3
51.4
51.5
51.6
51.7
51.8
51.9
52
52.1
52.2
52.3
52.4
52.5
52.6
52.7
52.8
52.9
53
53.1
53.2
53.3
53.4
53.5
53.6
53.7
53.8
53.9
54
54.1
54.2
54.3
54.4
54.5
54.6
54.7
54.8
54.9
55
55.1
55.2
55.3
55.4
55.5
55.6
55.7
55.8
55.9
56
56.1
56.2
56.3
56.4
56.5
56.6
56.7
56.8
56.9
57
57.1
57.2
57.3
57.4
57.5
57.6
57.7
57.8
57.9
58
58.1
58.2
58.3
58.4
58.5
58.6
58.7
58.8
58.9
59
59.1
59.2
59.3
59.4
59.5
59.6
59.7
59.8
59.9
60
60.1
60.2
60.3
60.4
60.5
60.6
60.7
60.8
60.9
61
61.1
61.2
61.3
61.4
61.5
61.6
61.7
61.8
61.9
62
62.1
62.2
62.3
62.4
62.5
62.6
62.7
62.8
62.9
63
63.1
63.2
63.3
63.4
63.5
63.6
63.7
63.8
63.9
64
64.1
64.2
64.3
64.4
64.5
64.6
64.7
64.8
64.9
65
65.1
65.2
65.3
65.4
65.5
65.6
65.7
65.8
65.9
66
66.1
66.2
66.3
66.4
66.5
66.6
66.7
66.8
66.9
67
67.1
67.2
67.3
67.4
67.5
67.6
67.7
67.8
67.9
68
68.1
68.2
68.3
68.4
68.5
68.6
68.7
68.8
68.9
69
69.1
69.2
69.3
69.4
69.5
69.6
69.7
69.8
69.9
70
70.1
70.2
70.3
70.4
70.5
70.6
70.7
70.8
70.9
71
71.1
71.2
71.3
71.4
71.5
71.6
71.7
71.8
71.9
72
72.1
72.2
72.3
72.4
72.5
72.6
72.7
72.8
72.9
73
73.1
73.2
73.3
73.4
73.5
73.6
73.7
73.8
73.9
74
74.1
74.2
74.3
74.4
74.5
74.6
74.7
74.8
74.9
75
75.1
75.2
75.3
75.4
75.5
75.6
75.7
75.8
75.9
76
76.1
76.2
76.3
76.4
76.5
76.6
76.7
76.8
76.9
77
77.1
77.2
77.3
77.4
77.5
77.6
77.7
77.8
77.9
78
78.1
78.2
78.3
78.4
78.5
78.6
78.7
78.8
78.9
79
79.1
79.2
79.3
79.4
79.5
79.6
79.7
79.8
79.9
80
80.1
80.2
80.3
80.4
80.5
80.6
80.7
80.8
80.9
81
81.1
81.2
81.3
81.4
81.5
81.6
81.7
81.8
81.9
82
82.1
82.2
82.3
82.4
82.5
82.6
82.7
82.8
82.9
83
83.1
83.2
83.3
83.4
83.5
83.6
83.7
83.8
83.9
84
84.1
84.2
84.3
84.4
84.5
84.6
84.7
84.8
84.9
85
85.1
85.2
85.3
85.4
85.5
85.6
85.7
85.8
85.9
Supply Temperature wb
35
35.1
35.2
35.3
35.4
35.5
35.6
35.7
35.8
35.9
36
36.1
36.2
36.3
36.4
36.5
36.6
36.7
36.8
36.9
37
37.1
37.2
37.3
37.4
37.5
37.6
37.7
37.8
37.9
38
38.1
38.2
38.3
38.4
38.5
38.6
38.7
38.8
38.9
39
39.1
39.2
39.3
39.4
39.5
39.6
39.7
39.8
39.9
40
40.1
40.2
40.3
40.4
40.5
40.6
40.7
40.8
40.9
41
41.1
41.2
41.3
41.4
41.5
41.6
41.7
41.8
41.9
42
42.1
42.2
42.3
42.4
42.5
42.6
42.7
42.8
42.9
43
43.1
43.2
43.3
43.4
43.5
43.6
43.7
43.8
43.9
44
44.1
44.2
44.3
44.4
44.5
44.6
44.7
44.8
44.9
45
45.1
45.2
45.3
45.4
45.5
45.6
45.7
45.8
45.9
46
46.1
46.2
46.3
46.4
46.5
46.6
46.7
46.8
46.9
47
47.1
47.2
47.3
47.4
47.5
47.6
47.7
47.8
47.9
48
48.1
48.2
48.3
48.4
48.5
48.6
48.7
48.8
48.9
49
49.1
49.2
49.3
49.4
49.5
49.6
49.7
49.8
49.9
50
50.1
50.2
50.3
50.4
50.5
50.6
50.7
50.8
50.9
51
51.1
51.2
51.3
51.4
51.5
51.6
51.7
51.8
51.9
52
52.1
52.2
52.3
52.4
52.5
52.6
52.7
52.8
52.9
53
53.1
53.2
53.3
53.4
53.5
53.6
53.7
53.8
53.9
54
54.1
54.2
54.3
54.4
54.5
54.6
54.7
54.8
54.9
55
55.1
55.2
55.3
55.4
55.5
55.6
55.7
55.8
55.9
56
56.1
56.2
56.3
56.4
56.5
56.6
56.7
56.8
56.9
57
57.1
57.2
57.3
57.4
57.5
57.6
57.7
57.8
57.9
58
58.1
58.2
58.3
58.4
58.5
58.6
58.7
58.8
58.9
59
59.1
59.2
59.3
59.4
59.5
59.6
59.7
59.8
59.9
60
60.1
60.2
60.3
60.4
60.5
60.6
60.7
60.8
60.9
61
61.1
61.2
61.3
61.4
61.5
61.6
61.7
61.8
61.9
62
62.1
62.2
62.3
62.4
62.5
62.6
62.7
62.8
62.9
63
63.1
63.2
63.3
63.4
63.5
63.6
63.7
63.8
63.9
64
64.1
64.2
64.3
64.4
64.5
64.6
64.7
64.8
64.9
65
65.1
65.2
65.3
65.4
65.5
65.6
65.7
65.8
65.9
66
66.1
66.2
66.3
66.4
66.5
66.6
66.7
66.8
66.9
67
67.1
67.2
67.3
67.4
67.5
67.6
67.7
67.8
67.9
68
68.1
68.2
68.3
68.4
68.5
68.6
68.7
68.8
68.9
69
69.1
69.2
69.3
69.4
69.5
69.6
69.7
69.8
69.9
70
70.1
70.2
70.3
70.4
70.5
70.6
70.7
70.8
70.9
71
71.1
71.2
71.3
71.4
71.5
71.6
71.7
71.8
71.9
72
72.1
72.2
72.3
72.4
72.5
72.6
72.7
72.8
72.9
73
73.1
73.2
73.3
73.4
73.5
73.6
73.7
73.8
73.9
74
74.1
74.2
74.3
74.4
74.5
74.6
74.7
74.8
74.9
75
75.1
75.2
75.3
75.4
75.5
75.6
75.7
75.8
75.9
76
76.1
76.2
76.3
76.4
76.5
76.6
76.7
76.8
76.9
77
77.1
77.2
77.3
77.4
77.5
77.6
77.7
77.8
77.9
78
78.1
78.2
78.3
78.4
78.5
78.6
78.7
78.8
78.9
79
79.1
79.2
79.3
79.4
79.5
79.6
79.7
79.8
79.9
80
80.1
80.2
80.3
80.4
80.5
80.6
80.7
80.8
80.9
81
81.1
81.2
81.3
81.4
81.5
81.6
81.7
81.8
81.9
82
82.1
82.2
82.3
82.4
82.5
82.6
82.7
82.8
82.9
83
83.1
83.2
83.3
83.4
83.5
83.6
83.7
83.8
83.9
84
84.1
84.2
84.3
84.4
84.5
84.6
84.7
84.8
84.9
85
85.1
85.2
85.3
85.4
85.5
85.6
85.7
85.8
85.9
Total Cooling Capacity (BTUH)
Return Temperature db
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
Supply Temperature db
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Sensible Cooling Capacity (BTUH)
Latent Cooling Capacity (BTUH)