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Plant Engineering Calculator

Compressed Air Pressure Reduction Savings Calculator — kW, kWh & Payback

Screen compressor energy savings from a proposed system-pressure reduction using measured package power and an entered percent-power reduction per pressure step.

Inputs

Results

Estimated power saved 7.00 kW
New package power 93.00 kW
Annual energy saved 42000 kWh
Annual cost saved $4200

Formula

saved kW=measured kW×pressure reduction×saving factor; annual kWh=saved kW×hours.

Worked example

For a measured 100 kW package, a 1% power reduction per bar and a 1 bar reduction yields about 1 kW before secondary demand/leak effects.

Assumptions & limits

  • Use a site/OEM validated saving factor; compressor controls strongly affect realized savings.
  • Confirm every critical end use still has adequate pressure after distribution losses.

FAQs

What does this Compressed Air Pressure Reduction Savings Calculator calculate?

Screen compressor energy savings from a proposed system-pressure reduction using measured package power and an entered percent-power reduction per pressure step.

Can I use the result for final equipment selection?

Use it as a transparent engineering and energy-screening result. Verify final decisions with measured site data, OEM curves, applicable standards and operating limits.

Why does MAXScanner show assumptions?

Plant calculations can look exact while depending heavily on operating assumptions. Showing them makes scenarios auditable and easier to compare.

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compressor specific powercompressed air artificial demandcompressed air pressure drop

Last updated: 17 September 2026