03/06/2026
Every industrial air compressor meets its rated efficiency on day one.
Day one isn't the test. The question that decides the electricity bill is what the machine still delivers in year five. Year eight. Year twelve.
For a clearance-sealed screw, the honest answer is: less, every year — because the thing holding its efficiency wears from the first hour it runs. For a rotary vane, the seal renews every revolution, so it holds.
The full engineering case — documented mostly by the screw industry's own research — is in the comments.
