Business Benefits From Compressed Air Efficiency

Use of compressed air, or “the fourth utility” as it’s called, is widespread in many industries.  How you use it in your business is important, for a couple of key considerations:

Monetary cost

Compressed air isn’t free.  Heck, it isn’t even cheap.  According to a Tip Sheet on the U.S. Department of Energy’s website, some companies estimate the cost of generation at $0.18 – $0.30 per 1,000 cubic feet of air.  A typical industrial air compressor will make 4-5 Standard Cubic Feet per Minute per horsepower.  Let’s be generous and assume that our 100HP compressor puts out 500 SCFM and is fully loaded 85% of the time over two shifts per day, five days a week:

500 SCFM X $0.18/1,000 SCF X 60 min/hr X 16 hr/day X 5 days/week X 52 weeks/year =

$22,464.00 estimated annual compressed air cost

If you want to go jot down some numbers from your compressor’s nameplate and your last electric bill, you can accurately calculate your actual cost.  Here’s the formula:

Taking our same 100HP compressor (105 bhp required,) fully loaded 85% of the time, and assuming the motor’s good (95% efficient):

(105 bhp X 0.746 X 4,160 hours X $0.08/kWh X 0.85 X 1.0)÷ 0.95 =

$23,324.20 actual annual compressed air cost

So, our estimate was within 4% of our actual…but the point is, $22,000 to $23,000 is a significant amount of money, which deserves to be spent as wisely as possible, and that means using your compressed air efficiently.  Engineered solutions like EXAIR Intelligent Compressed Air Products can be a major part of this – look through our Case Studies; implementing our products have saved companies as much as 60% on their compressed air costs.

Health & Safety

Injuries and illnesses can be big expenses for business as well. Inefficient use of compressed air can be downright unsafe.  Open ended blow offs present serious hazards, if dead-ended…the pressurized (energized) flow can break the skin and cause a deadly air embolism.  Even some air nozzles that can’t be dead ended (see examples of cross-drilled nozzles on right) cause a different safety hazard, hearing loss due to noise exposure.  This is another case where EXAIR can help.  Not only are our Intelligent Compressed Air Products fully OSHA compliant in regard to dead end pressure, their efficient design also makes them much quieter than other devices.

Efficient use of compressed air can make a big difference in the workplace – not only to your financial bottom line, but to everyone’s safety, health, and livelihood.  If you’d like to find out more about how EXAIR can help, give me a call.

Russ Bowman
Application Engineer
EXAIR Corporation
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