See why cooling, not brochure ratings, dictates real CFM at 90 psi, with test data showing air-cooled units fade in heat while water-cooled systems hold steady. Apply clear criteria around duty cycle, ambient temperature, and space to choose a setup that avoids stalls and recovery waits.

Cut through ISO Class 0 confusion to see compliance as a documented, system-wide performance standard - not a sticker. Get practical steps on compressor selection, filtration staging, intake and condensate control, noise management, and verification testing to reduce contamination and protect throughput.

Follow a step-by-step process to map demand, test pressure at the gun, and compute payback. Decide when VSD’s stable pressure reduces energy costs and rework - and when fixed speed is the better fit.

Judge compressor reliability by measured CFM at 90 PSI and support that fixes the whole air system, not by warranty length. Use repair-time data, parts availability, and on-site diagnostics to choose brands that keep downtime low.