Segmentation by type isolates the mechanical architecture of compressors, which shapes capital expenditure, maintenance cycles, and energy consumption patterns across the market. Rotary‑screw compressors dominate the high‑capacity segment, supplying 45 % of total units because of their continuous flow, low pulsation, and suitability for 24/7 hospital environments. Reciprocating models, accounting for roughly 20 % of sales, are favored in low‑volume settings where precise pressure control and lower upfront cost are paramount, such as small clinics and dental offices. Piston‑driven compressors, contributing about 15 %, serve niche applications that demand intermittent bursts of high pressure, for example, sterilization autoclaves. Oil‑free designs, representing 12 % of the market, address stringent contamination standards in operating theatres and imaging suites, eliminating oil‑borne particulates that could compromise patient safety. The remaining 8 % comprises hybrid systems that combine screw and oil‑free technologies to balance efficiency with ultra‑clean air delivery. This detailed market taxonomy of types illustrates how each mechanical class underpins specific revenue streams within the broader Medical Compressed Air System market.