|
Energy/Electricity Savings % Comparison between the Window Refrigerator & A/C |
|
|
|
|
|
|
|
|
|
Freezing Water at night
and a Similar Indoor Refrigerator
and a traditional window A/C. |
|
|
|
|
|
Energy Saving % = (C - B) / (C - D) |
|
|
This formula has been reviewed and verified by a
third party expert. |
|
|
|
|
|
|
|
To
download the original MS. Excel spreadsheet, in your browser, change *.htm to
*.xls |
|
|
|
|
|
|
|
C = Td is average Day outdoor temperature |
|
|
B = Tn is average Night outdoor
temperature |
|
|
D = The temperature of the Evaporator (Water/Ice Reservoir) = 0
C |
|
|
|
|
|
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
Td |
|
|
Fahrenheit |
110 |
105 |
100 |
95 |
90 |
85 |
80 |
75 |
70 |
65 |
60 |
55 |
50 |
45 |
40 |
|
|
Celsius |
43 |
41 |
38 |
35 |
32 |
29 |
27 |
24 |
21 |
18 |
16 |
13 |
10 |
7 |
4 |
|
Tn |
90 |
32 |
26% |
21% |
15% |
8% |
0% |
-9% |
-21% |
-35% |
-53% |
-76% |
-107% |
-152% |
-222% |
-346% |
-625% |
|
Tn |
85 |
29 |
32% |
27% |
22% |
16% |
9% |
0% |
-10% |
-23% |
-39% |
-61% |
-89% |
-130% |
-194% |
-308% |
-563% |
|
Tn |
80 |
27 |
38% |
34% |
29% |
24% |
17% |
9% |
0% |
-12% |
-26% |
-45% |
-71% |
-109% |
-167% |
-269% |
-500% |
|
Tn |
75 |
24 |
45% |
41% |
37% |
32% |
26% |
19% |
10% |
0% |
-13% |
-30% |
-54% |
-87% |
-139% |
-231% |
-438% |
|
Tn |
70 |
21 |
51% |
48% |
44% |
40% |
34% |
28% |
21% |
12% |
0% |
-15% |
-36% |
-65% |
-111% |
-192% |
-375% |
|
Tn |
65 |
18 |
58% |
55% |
51% |
48% |
43% |
38% |
31% |
23% |
13% |
0% |
-18% |
-43% |
-83% |
-154% |
-313% |
|
Tn |
60 |
16 |
64% |
62% |
59% |
56% |
52% |
47% |
42% |
35% |
26% |
15% |
0% |
-22% |
-56% |
-115% |
-250% |
|
Tn |
55 |
13 |
71% |
68% |
66% |
63% |
60% |
57% |
52% |
47% |
39% |
30% |
18% |
0% |
-28% |
-77% |
-188% |
|
Tn |
50 |
10 |
77% |
75% |
74% |
71% |
69% |
66% |
63% |
58% |
53% |
45% |
36% |
22% |
0% |
-38% |
-125% |
|
Tn |
45 |
7 |
83% |
82% |
81% |
79% |
78% |
75% |
73% |
70% |
66% |
61% |
54% |
43% |
28% |
0% |
-63% |
|
Tn |
40 |
4 |
90% |
89% |
88% |
87% |
86% |
85% |
83% |
81% |
79% |
76% |
71% |
65% |
56% |
38% |
0% |
|
Tn |
35 |
2 |
96% |
96% |
96% |
95% |
95% |
94% |
94% |
93% |
92% |
91% |
89% |
87% |
83% |
77% |
63% |
|
|
|
|
|
Above 0% is when average night
time temperature is warmer than average day
time. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|