Pressure is only one part of the equation for the use of a compressor - the
volume of air per minute at 135psi is probably just as critical in the
operation of air tools. There is nothing more frustrating than using an air
tool for 30 seconds before having to let the air reservoir fill up again.

You may have to use some subtle questions to find out what his air tools use
in the way of volume per minute.

I have come to the conclusion that a long air line to a large compressor is
far better than a small portable compressor on a short air line.

Regards

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