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Energy Savings % Indoor Vs. Window R/F |
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A/C is Off |
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Excluding Summer
Energy Savings |
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Definition of
Columns in the table: |
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B
= Average Outdoor
temperature (temperature of Window R/F's Condenser). |
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C
= Average Indoor
temperature, 70 F or higher (temperature of Indoor R/F's Condenser). |
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D
= Average temperature inside the R/F (set constant at 29 F). |
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Ti = C - D
= Temperature difference between the Indoor R/F's evaporator and
condenser. |
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Tw = B - D
= Temperature difference between the Window R/F's evaporator and
condenser. |
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G = Energy Savings % assuming that both R/Fs have the same COP
(efficiency). |
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G
= (Ti - Tw) / Ti
Unlike Column H, it does not include the higher efficiency of window R/F. |
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H = Energy Savings % taking into account the higher COP
(efficiency) of the window R/F. |
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H = 1 - (Tw x Tw) /
(Ti x Ti) Unlike
column G, it includes
the higher efficiency of window R/F. |
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|
Fahrenheit |
B |
C |
D |
Ti |
Tw |
G |
H |
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JAN |
43 |
70 |
29 |
41 |
14 |
66% |
88% |
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FEB |
44 |
70 |
29 |
41 |
15 |
63% |
87% |
|
MAR |
47 |
70 |
29 |
41 |
18 |
56% |
81% |
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APR |
50 |
70 |
29 |
41 |
21 |
49% |
74% |
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MAY |
56 |
70 |
29 |
41 |
27 |
34% |
57% |
|
JUN |
61 |
70 |
29 |
41 |
32 |
22% |
39% |
|
JUL |
66 |
70 |
29 |
41 |
37 |
10% |
19% |
|
AUG |
66 |
70 |
29 |
41 |
37 |
10% |
19% |
|
SEP |
60 |
70 |
29 |
41 |
31 |
24% |
43% |
|
OCT |
55 |
70 |
29 |
41 |
26 |
37% |
60% |
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NOV |
48 |
70 |
29 |
41 |
19 |
54% |
79% |
|
DEC |
43 |
70 |
29 |
41 |
14 |
66% |
88% |
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Average Energy Savings % |
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41% |
61% |
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Exact same as above
except in Celsius |
|
Celsius |
B |
C |
D |
Ti |
Tw |
G |
H |
|
JAN |
6 |
21 |
-2 |
23 |
8 |
66% |
88% |
|
FEB |
7 |
21 |
-2 |
23 |
8 |
63% |
87% |
|
MAR |
8 |
21 |
-2 |
23 |
10 |
56% |
81% |
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APR |
10 |
21 |
-2 |
23 |
12 |
49% |
74% |
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MAY |
13 |
21 |
-2 |
23 |
15 |
34% |
57% |
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JUN |
16 |
21 |
-2 |
23 |
18 |
22% |
39% |
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JUL |
19 |
21 |
-2 |
23 |
21 |
10% |
19% |
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AUG |
19 |
21 |
-2 |
23 |
21 |
10% |
19% |
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SEP |
16 |
21 |
-2 |
23 |
17 |
24% |
43% |
|
OCT |
13 |
21 |
-2 |
23 |
14 |
37% |
60% |
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NOV |
9 |
21 |
-2 |
23 |
11 |
54% |
79% |
|
DEC |
6 |
21 |
-2 |
23 |
8 |
66% |
88% |
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Average Energy Savings % |
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41% |
61% |
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Exact same as above
except in Kelvin |
|
Kelvin |
B |
C |
D |
Ti |
Tw |
G |
H |
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JAN |
279 |
294 |
271 |
23 |
8 |
66% |
88% |
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FEB |
280 |
294 |
271 |
23 |
8 |
63% |
87% |
|
MAR |
281 |
294 |
271 |
23 |
10 |
56% |
81% |
|
APR |
283 |
294 |
271 |
23 |
12 |
49% |
74% |
|
MAY |
286 |
294 |
271 |
23 |
15 |
34% |
57% |
|
JUN |
289 |
294 |
271 |
23 |
18 |
22% |
39% |
|
JUL |
292 |
294 |
271 |
23 |
21 |
10% |
19% |
|
AUG |
292 |
294 |
271 |
23 |
21 |
10% |
19% |
|
SEP |
289 |
294 |
271 |
23 |
17 |
24% |
43% |
|
OCT |
286 |
294 |
271 |
23 |
14 |
37% |
60% |
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NOV |
282 |
294 |
271 |
23 |
11 |
54% |
79% |
|
DEC |
279 |
294 |
271 |
23 |
8 |
66% |
88% |
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Average Energy Savings % |
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41% |
61% |
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Back |
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Windowrefrigerator.com |
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PATENT PENDING |
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