Example: Temperature reduction with Free-cooling option. 10m x 10m x 2.4m Warehouse Reducing daytime air-conditioning power consumption using the so-called Free-cooling function. This is using the night cooler external air temperature in order to reduce the interior air and mass. In most cases, it results in not requiring the Air-conditioning at all the next day. Example made with 4 Hrs less Air-conditioning running time. | ||||||||||
Note | Times/Hours/Amount Used | Days Per Week Used | Days Used in One Year | Consumption of Resource | Total Use of Resource | Cost of Resource Per Unit | Total Resource Cost in One Year | Estimated Implementation Cost | Estimated Savings in Five Years | Estimate Pay Off Time |
Without Implementation | 20 Hrs | 5 Days | 245 Days | 4.0 kWh | 19'600 kW | $ 0.27 | $ 5'292.00 | - | - | - |
With Implementation | 16 Hrs | 5 Days | 245 Days | 4.0 kWh | 15'680 kW | $ 0.27 | $ 4'233.60 | $ 1'000.00 | $ 1'058.00 | 1 Year |