| The easiest, least costly and most common method for sizing a compressor is to determine existing peak demand, add 20-30 percent for growth and add one compressor that matches the resulting cfm calculation. Typically, peak demand periods are of shorter duration than say, second, third or weekend shifts. Having one compressor sized for peak demand will mean it is operating inefficiently an average of 85 percent of the time. Installing multiple compressors to match this peak while incrementally matching other lower compressed air demand periods will pay for the additional procurement costs in energy savings. |
