ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Assumptions:
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Design Temperature, F22
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Design Heating Load, BTU/hr30,000
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"Break-Even" Temperature, F
60
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Annual heating load, BTUHP COP, weighted averageAnnual HP Heat Contribution, BTUAnnual Backup Heat Contribution, BTUAnnual HP electricity usage, kWhAnnual Total electricity usage, kWhPercent HPPercent Backup
Annual Degree-Days
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Totals62,684,3764.262,615,62768,7494,3294,34999.5%0.5%4,286
13
187
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Outdoor Temperature, FAnnual hours at this temperatureHeating load at this temperature, BTU/hrAnnual heating load, BTUHP Capacity at this temperature, BTU/hrHP COP at this temperatureAnnual HP Heat Contribution, BTUAnnual Backup Heat Contribution, BTUAnnual HP electricity usage, kWhAnnual Total electricity usage, kWhPercent HPPercent Backup
Annual Degree-Days
15
5143,42143,42133,9492.633,9499,4724758%42%3
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6142,63242,63234,4102.734,4108,2224661%39%2
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7141,84241,84234,8702.734,8706,9724665%35%2
18
8241,05382,10535,3302.870,65911,44671169%31%5
19
9340,263120,78935,7902.8107,36913,420111574%26%7
20
10339,474118,42336,2502.9108,7519,671111480%20%7
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11338,684116,05336,7102.9110,1315,923111386%14%7
22
12537,895189,47437,1703.0185,8513,623181995%5%11
23
13737,105259,74137,6303.0259,74102525100%0%15
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14836,316290,52938,0903.1290,52902828100%0%17
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151035,526355,26538,5503.1355,26503333100%0%21
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161334,737451,58739,0113.2451,58704141100%0%27
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171633,947543,16539,4713.3543,16504949100%0%32
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182233,158729,47839,9313.3729,47806565100%0%43
29
192732,368873,96640,3913.4873,96607676100%0%52
30
203131,579978,96240,8513.4978,96208484100%0%58
31
213430,7891,046,85041,3113.51,046,85008888100%0%62
32
223530,0001,050,00041,7713.51,050,00008787100%0%63
33
233229,211934,75342,2313.6934,75307777100%0%56
34
243328,421937,90442,6913.6937,90407676100%0%56
35
253227,632884,21143,1513.7884,21107070100%0%53
36
263426,842912,65143,6123.7912,65107272100%0%55
37
274126,0531,068,17144,0723.81,068,17108383100%0%65
38
285225,2631,313,68844,5323.81,313,6880100100100%0%80
39
296024,4741,468,45744,9923.91,468,4570110110100%0%90
40
307023,6841,657,92045,4524.01,657,9200123123100%0%102
41
318222,8951,877,37845,9124.01,877,3780137137100%0%116
42
328922,1051,967,42546,3724.11,967,4250142142100%0%122
43
339221,3161,961,09046,8324.11,961,0900139139100%0%123
44
349820,5262,011,59447,2924.22,011,5940141141100%0%127
45
3511219,7372,210,60347,7524.22,210,6030153153100%0%140
46
3612318,9472,330,58148,2134.32,330,5810159159100%0%149
47
3713118,1582,378,71048,6734.32,378,7100161161100%0%153
48
3814517,3682,518,52749,1334.42,518,5270168168100%0%163
49
3915716,5792,602,97149,5934.42,602,9710172172100%0%170
50
4015515,7892,447,40550,0534.52,447,4050159159100%0%161
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4115415,0002,310,00050,5134.62,310,0000149149100%0%154
52
4216614,2112,359,03450,9734.62,359,0340150150100%0%159
53
4316413,4212,201,09851,4334.72,201,0980138138100%0%150
54
4416512,6322,084,21751,8934.72,084,2170129129100%0%144
55
4517011,8422,013,25452,3544.82,013,2540124124100%0%142
56
4616911,0531,867,94952,8144.81,867,9490113113100%0%134
57
4716110,2631,652,38153,2744.91,652,38109999100%0%121
58
481649,4741,553,78453,7344.91,553,78409292100%0%116
59
491648,6841,424,27054,1945.01,424,27008484100%0%109
60
501557,8951,223,70254,6545.01,223,70207171100%0%97
61
511557,1051,101,41655,1145.11,101,41606363100%0%90
62
521536,316966,37755,5745.2966,37705555100%0%83
63
531415,526779,23356,0345.2779,23304444100%0%71
64
541374,737649,04156,4945.3649,04103636100%0%63
65
551413,947556,64156,9555.3556,64103131100%0%59
66
561393,158438,97557,4155.4438,97502424100%0%52
67
571432,368338,78857,8755.4338,78801818100%0%48
68
581461,579230,59758,3355.5230,59701212100%0%43
69
59146789115,29958,7955.5115,299066100%0%37
70
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