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Case Study of Energy Saving with MAC HYBRID AHU as compared to Conventional AHU
DELHI :
Office building Cooling Load = 500 TR
No. of hours of operation = 16 hrs/ day
1 TR of cooling requires = 1.2 kW
All cooling load calculations arrived at considering weather data on an hourly basis throughout the year.
| Parameters | Conventional AHU arrangement | Unidyne LEC AHU arrangement | Savings |
| Installed cooling capacity | 500 TR | 350 TR | 30% |
| Annualized required refrigeration load | 17,00,000 TR | 8,00,000 TR | 56% |
| Annualized required power load | 2040 MW | 960 MW | 1080 MW |
PUNE :
Office building Cooling Load 450 TR
No.of hours of operation 8 hrs/ day
1 TR of cooling requires 1.2 kW
All cooling load calculations arrived at considering weather data on an hourly basis throughout the year.
| Parameters | Conventional AHU arrangement | Unidyne LEC AHU arrangement | Savings |
| Installed cooling capacity | 450 TR | 270 TR | 40% |
| Annualized required refrigeration load | 1,125,000 TR | 3,45,000 TR | 69% |
| Annualized required power load | 1350 MW | 414 MW | 936 MW |
Additional cost of MAC HYBRID AHU: Rs 150.0 lacs
Reduction in Chiller Cost: Rs 60.0 lacs
Reduction in Backup Power Cost: Rs 40.0 lacs
Net Additional Investment in MAC HYBRID AHU: Rs 50.0 lacs
Monetary Savings of 936 MW @ Rs 10/kw: Rs 93.6 lacs