Industrial Companies Identifying Ways to Lower Compressed Air System Energy Consumption

Comprehensive Compressed Air Audits: The 5-Step Process

Air Best Practices, December 30, 2011

The U.S. Department of Energy estimates that air compressors use as much as 10% of all electricity generated in the United States. Further, the DOE calculates that as much as 50% of this energy is wasted. Compressed air leaks alone account for 25-30% of compressed air use.

Consequently, many industrial companies are identifying ways to lower their compressed air system energy consumption. One of the most popular methods to do so is a comprehensive compressed air audit, or “air demand analysis.” The objective of this paper is to define the five steps required in a compressed air audit. We will use a real-world example with system information from a magnetic materials manufacturer to clearly illustrate each step. In the following case, the user achieved a 42% reduction in annual energy costs.

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