Air Disinfection Machine segmentation by application delineates five principal end‑use categories that together shape the market’s revenue profile. Healthcare facilities—including hospitals, clinics, and long‑term care centers—command the largest share, roughly 35 % of total sales, driven by stringent infection‑control standards and high unit turnover. Commercial buildings such as offices, retail spaces, and hotels represent about 30 % of the market, reflecting growing regulatory pressure and tenant expectations for indoor air quality. The residential segment accounts for 20 % of demand; adoption is propelled by heightened consumer awareness post‑pandemic and the availability of compact, plug‑and‑play units. Transportation applications, covering airlines, rail, and buses, contribute roughly 10 %, where space constraints and rapid disinfection cycles dictate product selection. Finally, the industrial niche—encompassing manufacturing plants and warehouses—holds about 5 % of revenue, primarily for localized pathogen control in high‑density work zones. Together, these application slices define the overall market size and guide strategic investment across the Air Disinfection Machine market, and inform product‑development roadmaps for manufacturers.