Energy Efficient Air-Conditioning
Traditionally, most regular air-conditioners suck up lots of energy and use refrigerants that are harmful to the environment. In the past couple of decades, a few companies have taken the intitiative to develop and manufacture air-conditioning technologies that will consume less energy and use environmentally friendly refrigerants. Daiken Industries is the global leader of such air-conditioning systems, refrigerants and compressors. One of the ways that they are able to do this is by connecting up to nine indoor units to one outdoor compressor unit thereby maximizing energy efficiency by eliminating the need for eight outdoor units!
Sometimes, it's just easier to see the proof in black and white. The Ritz-Carlton in St. Thomas installed a Daiken HVAC. Below are the comparsion results of the electrical tes
A/C Electical Readings |
Intial Reading 10/24/08 2p |
Reading |
Reading 10/27 - 2p |
Reading 10/28 - 3p |
Total kw Used |
New system - 3 units: |
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3 phase Condensers for rooms 1601, 1501, 1401
|
0 |
267 |
353 |
1086 |
1086 |
New system - Total Used: |
1086 |
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Existing System: |
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Rm 1602 roof top condenser |
66.5 |
257 |
326 |
744 |
677.5
|
Rm 1602 duct heater |
1 |
106.5 |
128 |
347 |
347
|
Rm 1504 roof top condenser |
127.5 |
285 |
346 |
788 |
775.5
|
Rm 1504 duct heater |
32.5 |
285 |
176 |
395 |
362.5
|
Rm 1404 roof top condenser |
140 |
290 |
341 |
710 |
570
|
Rm 1404 duct heater |
18.5 |
86 |
135 |
420 |
401.05
|
Existing system - Total Used: |
3134 |
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Total test period = 11 days. Total kwh savings for 3 units = 2084kwh or 66.65% Unit kwh savings per day is 62.06 x 365 days = 22,652.12 kwh saved per year. 22,652.12 kwh saved per year x $.40/kw = $9060.84 savings per year per unit. |
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