Heat Requirement

This chart is for general reference only. There is no guarantee of accuracy since HVAC calculating is dependent on many factors such as heat loss, insulation and more.

Cubic Feet

4,000
8,000
12,000
16,000
20,000
24,000
28,000
32,000
36,000
40,000
44,000
48,000
52,000
56,000
60,000
64,000
68,000
72,000
76,000
80,000
84,000
88,000
92,000
96,000
100,000
104,000
108,000
112,000
116,000
120,000
124,000
128,000
132,000
136,000
140,000
144,000
148,000
152,000

6°C / 10°F

5,320
10,640
15,960
21,280
26,600
31,920
37,240
42,560
47,880
53,200
58,520
63,840
69,160
74,480
79,800
85,120
90,440
95,760
101,080
106,400
111,720
117,040
122,360
127,680
133,000
138,320
143,640
148,960
154,000
159,600
164,920
170,240
175,560
180,880
186,200
191,520
196,840
202,160

11°C / 20°F

10,640
21,280
31,920
42,560
53,200
63,840
74,480
85,120
95,760
106,400
117,040
127,680
138,320
148,960
159,600
170,240
180,880
191,520
202,160
212,800
223,440
234,080
144,720
255,360
266,000
276,640
287,280
297,920
308,560
319,200
319,200
340,480
351,120
361,760
372,400
383,040
393,680
404,320

17°C / 30°F

15,960
31,920
47,880
63,840
79,800
95,760
111,720
127,680
143,640
159,600
175,560
191,520
207,480
223,440
239,400
255,360
271,320
287,280
303,240
319,200
335,160
351,120
367,080
383,040
399,000
414,960
430,920
446,880
642,840
478,800
494,760
510,720
526,680
542,640
558,600
574,560
590,520
606,480

22°C / 40°F

21,280
42,560
63,840
85,120
106,400
127,680
148,960
170,240
191,520
212,800
234,080
255,360
276,640
297,920
319,200
340,080
361,760
383,040
404,320
425,600
446,880
468,160
489,440
510,720
532,000
553,280
574,560
595,840
617,120
638,040
329,840
680,960
702,240
723,520
744,800
766,080
787,360
808,640

28°C / 50°F

26,600
53,200
79,800
106,400
133,000
159,600
186,200
212,800
239,400
266,000
292,600
319,200
345,800
372,400
399,000
425,600
452,200
478,800
505,400
532,000
558,600
585,200
611,800
638,400
665,000
691,600
718,200
744,800
771,400
798,000
474,760
851,200
877,800
904,400
931,000
957,600
984,200
1,010,800

33°C / 60°F

31,920
63,840
95,760
127,680
159,600
191,520
223,440
255,360
287,280
319,200
351,120
383,040
414,960
446,880
478,800
510,720
542,640
574,560
606,480
638,400
670,320
702,240
734,160
766,080
798,000
829,920
861,840
893,760
925,680
957,600
659,680
1,021,440
1,053,360
1,085,280
1,117,200
1,149,120
1,181,040
1,212,960

39°C / 70°F

37,240
74,480
111,720
148,960
186,200
223,440
260,680
297,920
335,160
372,400
409,640
446,880
484,120
521,360
558,600
595,840
631,080
670,320
707,560
744,800
782,040
819,280
856,520
893,760
931,000
968,240
1,005,480
1,042,720
1,079,960
1,117,200
1,149,120
1,191,680
1,228,920
1,266,160
1,303,400
1,340,640
1,377,880
1,415,120

44°C / 80°F

42,560
85,120
127,680
170,240
212,800
255,360
297,920
340,480
383,040
425,600
468,160
510,720
553,280
595,840
638,400
680,960
723,520
766,080
808,640
851,200
893,760
936,320
978,880
1,021,440
1,064,000
1,106,560
1,149,120
1,191,680
1,234,240
1,276,800
1,319,360
1,361,920
1,404,480
1,447,040
1,489,600
1,532,160
1,574,720
1,617,280

Cubic Feet

4,000
8,000
12,000
16,000
20,000
24,000
28,000
32,000
36,000
40,000
44,000
48,000
52,000
56,000
60,000
64,000
68,000
72,000
76,000
80,000
84,000
88,000
92,000
96,000
100,000
104,000
108,000
112,000
116,000
120,000
124,000
128,000
132,000
136,000
140,000
144,000
148,000
152,000

6°C / 10°F

5,320
10,640
15,960
21,280
26,600
31,920
37,240
42,560
47,880
53,200
58,520
63,840
69,160
74,480
79,800
85,120
90,440
95,760
101,080
106,400
111,720
117,040
122,360
127,680
133,000
138,320
143,640
148,960
154,000
159,600
164,920
170,240
175,560
180,880
186,200
191,520
196,840
202,160

11°C / 20°F

10,640
21,280
31,920
42,560
53,200
63,840
74,480
85,120
95,760
106,400
117,040
127,680
138,320
148,960
159,600
170,240
180,880
191,520
202,160
212,800
223,440
234,080
144,720
255,360
266,000
276,640
287,280
297,920
308,560
319,200
319,200
340,480
351,120
361,760
372,400
383,040
393,680
404,320

Cubic Feet

4,000
8,000
12,000
16,000
20,000
24,000
28,000
32,000
36,000
40,000
44,000
48,000
52,000
56,000
60,000
64,000
68,000
72,000
76,000
80,000
84,000
88,000
92,000
96,000
100,000
104,000
108,000
112,000
116,000
120,000
124,000
128,000
132,000
136,000
140,000
144,000
148,000
152,000

17°C / 30°F

15,960
31,920
47,880
63,840
79,800
95,760
111,720
127,680
143,640
159,600
175,560
191,520
207,480
223,440
239,400
255,360
271,320
287,280
303,240
319,200
335,160
351,120
367,080
383,040
399,000
414,960
430,920
446,880
642,840
478,800
494,760
510,720
526,680
542,640
558,600
574,560
590,520
606,480

22°C / 40°F

21,280
42,560
63,840
85,120
106,400
127,680
148,960
170,240
191,520
212,800
234,080
255,360
276,640
297,920
319,200
340,080
361,760
383,040
404,320
425,600
446,880
468,160
489,440
510,720
532,000
553,280
574,560
595,840
617,120
638,040
329,840
680,960
702,240
723,520
744,800
766,080
787,360
808,640

Cubic Feet

4,000
8,000
12,000
16,000
20,000
24,000
28,000
32,000
36,000
40,000
44,000
48,000
52,000
56,000
60,000
64,000
68,000
72,000
76,000
80,000
84,000
88,000
92,000
96,000
100,000
104,000
108,000
112,000
116,000
120,000
124,000
128,000
132,000
136,000
140,000
144,000
148,000
152,000

28°C / 50°F

26,600
53,200
79,800
106,400
133,000
159,600
186,200
212,800
239,400
266,000
292,600
319,200
345,800
372,400
399,000
425,600
452,200
478,800
505,400
532,000
558,600
585,200
611,800
638,400
665,000
691,600
718,200
744,800
771,400
798,000
474,760
851,200
877,800
904,400
931,000
957,600
984,200
1,010,800

33°C / 60°F

31,920
63,840
95,760
127,680
159,600
191,520
223,440
255,360
287,280
319,200
351,120
383,040
414,960
446,880
478,800
510,720
542,640
574,560
606,480
638,400
670,320
702,240
734,160
766,080
798,000
829,920
861,840
893,760
925,680
957,600
659,680
1,021,440
1,053,360
1,085,280
1,117,200
1,149,120
1,181,040
1,212,960

Cubic Feet

4,000
8,000
12,000
16,000
20,000
24,000
28,000
32,000
36,000
40,000
44,000
48,000
52,000
56,000
60,000
64,000
68,000
72,000
76,000
80,000
84,000
88,000
92,000
96,000
100,000
104,000
108,000
112,000
116,000
120,000
124,000
128,000
132,000
136,000
140,000
144,000
148,000
152,000

39°C / 70°F

37,240
74,480
111,720
148,960
186,200
223,440
260,680
297,920
335,160
372,400
409,640
446,880
484,120
521,360
558,600
595,840
631,080
670,320
707,560
744,800
782,040
819,280
856,520
893,760
931,000
968,240
1,005,480
1,042,720
1,079,960
1,117,200
1,149,120
1,191,680
1,228,920
1,266,160
1,303,400
1,340,640
1,377,880
1,415,120

44°C / 80°F

42,560
85,120
127,680
170,240
212,800
255,360
297,920
340,480
383,040
425,600
468,160
510,720
553,280
595,840
638,400
680,960
723,520
766,080
808,640
851,200
893,760
936,320
978,880
1,021,440
1,064,000
1,106,560
1,149,120
1,191,680
1,234,240
1,276,800
1,319,360
1,361,920
1,404,480
1,447,040
1,489,600
1,532,160
1,574,720
1,617,280