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# Chiller Power Consumption Calculator Online

Chiller Power Consumption Calculator is an effective tool designed to calculate the power consumption of a chiller based on its cooling capacity and Coefficient of Performance (COP). A chiller is an essential component of the HVAC (Heating, Ventilation, and Air Conditioning) system that provides cooling to buildings by removing heat from a liquid via a vapor-compression or absorption refrigeration cycle. Knowing the power consumption of the chiller is vital for assessing the efficiency of the cooling system and managing energy usage.

### The Formula

The formula used to calculate the power consumption of the chiller is:

Power Consumption (kW) = (Cooling Capacity (Tons) * 3.517) / COP

Here,

• The Cooling Capacity is the amount of heat the chiller can remove from the liquid during the refrigeration cycle, measured in tons.
• The Coefficient of Performance (COP) is the ratio of useful cooling provided to the work required, which can be considered as a measure of the chiller’s efficiency.

### An Example

Let’s consider a chiller with a cooling capacity of 20 tons and a COP of 4. The power consumption can be calculated as follows:

Power Consumption (kW) = (20 Tons * 3.517) / 4 = 17.585 kW

This indicates that our chiller consumes 17.585 kilowatts of power to provide the cooling capacity of 20 tons with a COP of 4.