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Compressed Air Leak Savings Calculator
Compressed air leaks waste 20–40% of generation in untuned systems — easy savings.
Annual savings
$10,800
Payback (months)
13.3
Energy kWh saved
90,000
How the math works
kWh = kW × hours. Saved = kWh × (current − target leak %). Savings = saved × rate.
75 × 6,000 = 450,000 kWh × 20% = 90,000 kWh × $0.12 = $10,800/yr. $12k / $10.8k × 12 = 13.3 mo.
How to Use
- Enter compressor kW.
- Enter annual run hours.
- Enter electric $/kWh.
- Enter current leak rate %.
- Enter target leak rate %.
- Enter program cost.
- Read annual savings + payback.
Frequently Asked Questions
Why measure leaks?
Compressed air is one of the most expensive utilities ($0.20-0.50/kWh equivalent). Leaks invisible (no audible whistle until severe). Typical untuned facility: 25-35% of generation lost. Best-in-class: 5-10% loss. Quick wins via ultrasonic leak detection: 70-90% of leaks identified in single survey day.
Detection methods?
Ultrasonic leak detector ($1.5-8k tool): walks plant during shift. Tag leaks for repair. Annual survey: $5-25k consultant. Continuous monitoring (acoustic sensors, flow meters): $50-300k installed but ongoing visibility. Smart system controls: alerts for system pressure changes indicating leak development.
Savings calculation?
100 hp compressor × 75% load × 0.746 kW/hp = ~56 kW × 6,000 hrs = 336,000 kWh × $0.10 = $33,600 annual energy. 30% leak reduction = 10,000 kWh saved = $3,360. Across 5 compressors at facility = $15-25k/yr typical. Payback under 1 year for survey + repair.
Repair process?
Survey + tag: 1-3 days. Repairs (couplings, regulators, hoses): 50-200 leaks per facility. Cost: $5-50 per leak materials + $50-150/hr labor. Total repair cost: $5-25k typical. Recurring program: quarterly walks + annual full survey. Sustainability: leaks return without ongoing program. Best-in-class: 80% of identified leaks repaired in 30 days.
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