Rapid Engineering LLC specializes in Building Air Management and Industrial Process and Finishing Equipment. Rapid Engineering LLC is an innovative leader in providing high-efficiency air management systems. HVAC Equipment includes direct-fired, indirect-fired, air turnover, unit heaters, and infrared heating equipment. Industrial Process and Finishing Equipment consists of batch ovens, pre-treatment stations, dry-off and cure ovens, custom washers, custom ovens and custom finishing equipment.