Compressed air products

5 myths about compressed air that engineers still believe (and the truth behind them)

Compressed air is often called the “fourth utility” because it’s essential to modern manufacturing. Yet despite decades of innovation, many misconceptions about compressed air systems continue to circulate on plant floors. These myths can lead to higher operating costs, unnecessary equipment failures, excessive compressed air consumption, and reduced productivity.

Below, we debunk five myths about compressed air and explain what is actually true.

Myth #1: More pressure means better performance

This is one of the most expensive misconceptions in manufacturing.

When an application doesn’t perform as expected, many people simply increase the regulator pressure. While this may temporarily solve the problem, it often creates new issues:

Increased compressed air consumption
Higher energy costs
Excessive wear on components
More system leaks

Instead of increasing pressure, engineers should determine whether the application is using the correct air nozzle, air knife, or vacuum generator for the job. Properly engineered products maximize force while minimizing air consumption.

Myth #2: Open pipes are just as effective as engineered air nozzles

An open copper tube or drilled pipe may seem like a simple, low-cost solution, but it’s one of the least efficient ways to use compressed air.

Engineered air nozzles are specifically designed to:

Entrain surrounding ambient air
Amplify airflow
Reduce compressed air consumption
Lower noise levels

Many facilities discover significant energy savings simply by replacing open pipes with “bolting on” engineered air nozzles.

Myth #3: Air leaks aren’t worth fixing

A small leak may not seem important. Especially one you can’t even hear. Multiply that leak across hundreds of fittings, quick disconnects, hoses, and valves, however, and the losses become substantial.

Many facilities unknowingly lose 20–30% of their compressed air production through leaks alone. Routine leak audits and preventive maintenance can dramatically reduce compressor runtime and utility costs.

Myth #4: Compressed air does not need any preventative maintenance

Many facilities focus maintenance efforts on compressors while overlooking downstream equipment. Dirty filters, damaged regulators, nozzles clogged with rust and other contamination, as well as worn fittings reduce performance and waste energy.

Preventive inspections should include: