There was a download of CompHP 1.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The program's installer file is commonly found as CompHP.exe. The actual developer of the software is Flow Phase Inc. The program lies within Education Tools, more precisely Science Tools. The most popular version among the program users is 1.0.
From the developer:
CompHPis a compressor horsepower calculator. It replaces the cardboard circular slide rule that just about every natural gas engineer has received from a compressor vendor at some point; however, in addition to a horsepower calculation.
You may want to check out more software, such as Panel, Avantage BPM Foundation or gitoolbox, which might be similar to CompHP.