| HVAC Duct Cleaning Services | Robotic inspection, cleaning, post-cleaning operations of HVAC air ducts for commercial and industrial clients | Exclusive patented robots, integrated inspection and cleaning services, specialized market niche | B2B clients including offices, hotels, hospitals, transport sectors, data centers | Robotic cleaning service segments with proprietary technology | 8 | 90 | Service fees from cleaning and maintenance contracts | Contract-based, recurring service revenues | Rising concern for indoor air quality, COVID-19 related hygiene focus, automation advantages | Nirmitee patented robotic duct cleaners |
