Direct answer
Measure energy and air by operating state before changing equipment. Repair leaks, remove unnecessary blow-off, reduce pressure only after checking the required point-of-use minimum, switch idle loads off safely, and compare efficient motors, heaters and pneumatic functions against production risk.
Why this matters
Compressed air can be a hidden utility cost because leaks and open jets continue when production is stopped. Energy projects fail when savings are estimated from nameplate power instead of measured duty and operating hours.
Decision table
| Loss area | Measure | Typical improvement route |
|---|---|---|
| Air leaks | Flow when line is isolated or idle | Repair and verify |
| Excess pressure | Point-of-use minimum under load | Optimise distribution and regulators |
| Blow-off | Flow, duration and purpose | Nozzles, pulsing or alternative method |
| Idle load | Power and air in stopped state | Controlled standby |
| Heat and drives | Duty, insulation and motor load | Control and efficient equipment |
Information to collect
- Measure electricity and air during running, idle and stopped states.
- Record pressure at the machine under peak factory demand.
- Find leaks using a controlled survey.
- List every continuous blow-off and vacuum generator.
- Check heaters, tunnels and motors against actual duty.
- Define safe shutdown and restart requirements.
Practical method
- 1
Fix leaks and unnecessary consumption first.
- 2
Optimise pressure at the source and point of use.
- 3
Use timed or demand-based blow-off where suitable.
- 4
Add standby modes without compromising hygiene or readiness.
- 5
Verify savings against the same production output.
Common mistakes to avoid
- Reducing pressure without checking actuator performance.
- Estimating from compressor rating alone.
- Ignoring idle nights and weekends.
- Replacing pneumatics without assessing reliability and speed.
- Claiming savings while output or quality falls.
Questions people also ask
How should compressed-air cost be estimated?
Use measured or specified flow, loaded operating time and the site’s cost per volume of compressed air.
Can line pressure simply be reduced?
Only after confirming the required minimum at each point of use under peak demand.
What is the first energy check?
Measure consumption while producing, idling and stopped to identify base load and avoid assumptions.
Should energy be reported per hour or per pack?
Use both; energy per good pack shows whether reduced consumption also preserves production performance.
Continue from the requirement to the equipment
Use the specialist route that matches the product, pack and process. Final suitability requires representative samples, output targets and site information.