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Calcimator

Cooling Capacity Calculator

Calculate cooling requirements from IT load, PUE, and airflow parameters for data center HVAC design.

Inputs

%

Results

Design cooling capacity (tons)

54.59

Base cooling (tons)45.5
Total heat load (BTU/hr)545,942
Required airflow (CFM)12,006
CRAH units needed3
Chilled water flow (GPM)90.99
Overhead power (kW)60
Total facility power (kW)160
It Heat Btu Hr341,214
How to Use This Calculator
  1. Enter the total IT load in kilowatts and the facility PUE.
  2. Set the safety and growth factor percentage.
  3. Input supply and return air temperatures for airflow calculations.
  4. Review design cooling capacity in tons and number of CRAH units required.
  5. Use chilled water GPM and total facility power to size the chiller plant.
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